Finding the Third Proportional to 57,934.50 and 89,658.25

Step by Step Solution

1. Step 1: Write the proportion equation
   57,934.50 : 89,658.25 = 89,658.25 : x
2. Step 2: Convert to fraction form
   57,934.50/89,658.25 = 89,658.25/x
3. Step 3: Cross multiply
   57,934.50x = 89,658.25 × 89,658.25
4. Step 4: Simplify right side
   57,934.50x = 8,038,601,793.06
5. Step 5: Solve for x
   x = 8,038,601,793.06/57,934.50
6. Step 6: Final answer
   x = 138,753.28