When it is over $5,000 - Where does the extra end up?

$5,000 is the maximum that can go on the 2441. When in doubt - READ THE DIRECTIONS

Line 12

Enter the total amount of dependent care benefits you received in 2024. Amounts you received as an employee should be shown in box 10 of your Form(s) W-2; however, don’t include amounts reported in box 10 that exceed your plan's exclusion and are therefore reported as wages in box 1 of Form(s) W-2. If you were self-employed or a partner, include amounts you received under a dependent care assistance program from your sole proprietorship or partnership