Deductions & credits

I apologize. I see you are working in the software and not the online version as this does work in that version. 

1. To test this, I enter the information in my Turbo Tax program, combining the two 1098's of $838K for your sold home and $644,000 for the new home.
2. After entering the information and viewing the home Loan Deduction Summary
3. The next page said We need a bit more information to wrap up this Deduction.
4. In this screen, I labeled your house sold as Gershwin and the second as Mozart (you can tell I like classical music). For the house sold, I entered the mortgage balance of $838K and the date it was sold. Entered 0.00 for the house you currently own. 
5. This seemed to pass the test.  Here is what the screenshot looks like.