Finding the Third Proportional to 88,638.75 and 131,566.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,638.75 : 131,566.50 = 131,566.50 : x
2. Step 2: Convert to fraction form
   88,638.75/131,566.50 = 131,566.50/x
3. Step 3: Cross multiply
   88,638.75x = 131,566.50 × 131,566.50
4. Step 4: Simplify right side
   88,638.75x = 17,309,743,922.25
5. Step 5: Solve for x
   x = 17,309,743,922.25/88,638.75
6. Step 6: Final answer
   x = 195,284.16