Finding the Third Proportional to 3,904,704 and 7,999,663

Step by Step Solution

1. Step 1: Write the proportion equation
   3,904,704 : 7,999,663 = 7,999,663 : x
2. Step 2: Convert to fraction form
   3,904,704/7,999,663 = 7,999,663/x
3. Step 3: Cross multiply
   3,904,704x = 7,999,663 × 7,999,663
4. Step 4: Simplify right side
   3,904,704x = 63,994,608,113,569
5. Step 5: Solve for x
   x = 63,994,608,113,569/3,904,704
6. Step 6: Final answer
   x = 16,389,106.09