Finding the Third Proportional to 57,242.25 and 88,737.75

Step by Step Solution

1. Step 1: Write the proportion equation
   57,242.25 : 88,737.75 = 88,737.75 : x
2. Step 2: Convert to fraction form
   57,242.25/88,737.75 = 88,737.75/x
3. Step 3: Cross multiply
   57,242.25x = 88,737.75 × 88,737.75
4. Step 4: Simplify right side
   57,242.25x = 7,874,388,275.06
5. Step 5: Solve for x
   x = 7,874,388,275.06/57,242.25
6. Step 6: Final answer
   x = 137,562.52