Finding the Third Proportional to 29,789,542 and 64,887,436

Step by Step Solution

1. Step 1: Write the proportion equation
   29,789,542 : 64,887,436 = 64,887,436 : x
2. Step 2: Convert to fraction form
   29,789,542/64,887,436 = 64,887,436/x
3. Step 3: Cross multiply
   29,789,542x = 64,887,436 × 64,887,436
4. Step 4: Simplify right side
   29,789,542x = 4,210,379,350,654,096
5. Step 5: Solve for x
   x = 4,210,379,350,654,096/29,789,542
6. Step 6: Final answer
   x = 141,337,498.60