Finding the Third Proportional to 57,585.50 and 88,838.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,585.50 : 88,838.50 = 88,838.50 : x
2. Step 2: Convert to fraction form
   57,585.50/88,838.50 = 88,838.50/x
3. Step 3: Cross multiply
   57,585.50x = 88,838.50 × 88,838.50
4. Step 4: Simplify right side
   57,585.50x = 7,892,279,082.25
5. Step 5: Solve for x
   x = 7,892,279,082.25/57,585.50
6. Step 6: Final answer
   x = 137,053.24