Finding the Third Proportional to 6,612,651 and 10,213,605

Step by Step Solution

1. Step 1: Write the proportion equation
   6,612,651 : 10,213,605 = 10,213,605 : x
2. Step 2: Convert to fraction form
   6,612,651/10,213,605 = 10,213,605/x
3. Step 3: Cross multiply
   6,612,651x = 10,213,605 × 10,213,605
4. Step 4: Simplify right side
   6,612,651x = 104,317,727,096,025
5. Step 5: Solve for x
   x = 104,317,727,096,025/6,612,651
6. Step 6: Final answer
   x = 15,775,477.50