Finding the Third Proportional to 88,831.75 and 136,532.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,831.75 : 136,532.50 = 136,532.50 : x
2. Step 2: Convert to fraction form
   88,831.75/136,532.50 = 136,532.50/x
3. Step 3: Cross multiply
   88,831.75x = 136,532.50 × 136,532.50
4. Step 4: Simplify right side
   88,831.75x = 18,641,123,556.25
5. Step 5: Solve for x
   x = 18,641,123,556.25/88,831.75
6. Step 6: Final answer
   x = 209,847.53