Finding the Third Proportional to 87,499.50 and 131,222.25

Step by Step Solution

1. Step 1: Write the proportion equation
   87,499.50 : 131,222.25 = 131,222.25 : x
2. Step 2: Convert to fraction form
   87,499.50/131,222.25 = 131,222.25/x
3. Step 3: Cross multiply
   87,499.50x = 131,222.25 × 131,222.25
4. Step 4: Simplify right side
   87,499.50x = 17,219,278,895.06
5. Step 5: Solve for x
   x = 17,219,278,895.06/87,499.50
6. Step 6: Final answer
   x = 196,792.88