Finding the Third Proportional to 21,908,605 and 34,057,657.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,908,605 : 34,057,657.50 = 34,057,657.50 : x
2. Step 2: Convert to fraction form
   21,908,605/34,057,657.50 = 34,057,657.50/x
3. Step 3: Cross multiply
   21,908,605x = 34,057,657.50 × 34,057,657.50
4. Step 4: Simplify right side
   21,908,605x = 1,159,924,034,387,306.25
5. Step 5: Solve for x
   x = 1,159,924,034,387,306.25/21,908,605
6. Step 6: Final answer
   x = 52,943,764.99