Finding the Third Proportional to 59,937.75 and 131,539.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,937.75 : 131,539.50 = 131,539.50 : x
2. Step 2: Convert to fraction form
   59,937.75/131,539.50 = 131,539.50/x
3. Step 3: Cross multiply
   59,937.75x = 131,539.50 × 131,539.50
4. Step 4: Simplify right side
   59,937.75x = 17,302,640,060.25
5. Step 5: Solve for x
   x = 17,302,640,060.25/59,937.75
6. Step 6: Final answer
   x = 288,676.84