Finding the Third Proportional to 59,986.50 and 131,272.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,986.50 : 131,272.50 = 131,272.50 : x
2. Step 2: Convert to fraction form
   59,986.50/131,272.50 = 131,272.50/x
3. Step 3: Cross multiply
   59,986.50x = 131,272.50 × 131,272.50
4. Step 4: Simplify right side
   59,986.50x = 17,232,469,256.25
5. Step 5: Solve for x
   x = 17,232,469,256.25/59,986.50
6. Step 6: Final answer
   x = 287,272.46