Finding the Third Proportional to 29,057.25 and 61,378.50

Step by Step Solution

1. Step 1: Write the proportion equation
   29,057.25 : 61,378.50 = 61,378.50 : x
2. Step 2: Convert to fraction form
   29,057.25/61,378.50 = 61,378.50/x
3. Step 3: Cross multiply
   29,057.25x = 61,378.50 × 61,378.50
4. Step 4: Simplify right side
   29,057.25x = 3,767,320,262.25
5. Step 5: Solve for x
   x = 3,767,320,262.25/29,057.25
6. Step 6: Final answer
   x = 129,651.65