Finding the Third Proportional to 29,488.50 and 61,710.75

Step by Step Solution

1. Step 1: Write the proportion equation
   29,488.50 : 61,710.75 = 61,710.75 : x
2. Step 2: Convert to fraction form
   29,488.50/61,710.75 = 61,710.75/x
3. Step 3: Cross multiply
   29,488.50x = 61,710.75 × 61,710.75
4. Step 4: Simplify right side
   29,488.50x = 3,808,216,665.56
5. Step 5: Solve for x
   x = 3,808,216,665.56/29,488.50
6. Step 6: Final answer
   x = 129,142.43