Finding the Third Proportional to 9,423,499 and 20,515,664

Step by Step Solution

1. Step 1: Write the proportion equation
   9,423,499 : 20,515,664 = 20,515,664 : x
2. Step 2: Convert to fraction form
   9,423,499/20,515,664 = 20,515,664/x
3. Step 3: Cross multiply
   9,423,499x = 20,515,664 × 20,515,664
4. Step 4: Simplify right side
   9,423,499x = 420,892,469,360,896
5. Step 5: Solve for x
   x = 420,892,469,360,896/9,423,499
6. Step 6: Final answer
   x = 44,664,139.02