Finding the Third Proportional to 6,665,664 and 9,954,816

Step by Step Solution

1. Step 1: Write the proportion equation
   6,665,664 : 9,954,816 = 9,954,816 : x
2. Step 2: Convert to fraction form
   6,665,664/9,954,816 = 9,954,816/x
3. Step 3: Cross multiply
   6,665,664x = 9,954,816 × 9,954,816
4. Step 4: Simplify right side
   6,665,664x = 99,098,361,593,856
5. Step 5: Solve for x
   x = 99,098,361,593,856/6,665,664
6. Step 6: Final answer
   x = 14,866,990.23