Finding the Third Proportional to 60,608.25 and 131,899.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,608.25 : 131,899.50 = 131,899.50 : x
2. Step 2: Convert to fraction form
   60,608.25/131,899.50 = 131,899.50/x
3. Step 3: Cross multiply
   60,608.25x = 131,899.50 × 131,899.50
4. Step 4: Simplify right side
   60,608.25x = 17,397,478,100.25
5. Step 5: Solve for x
   x = 17,397,478,100.25/60,608.25
6. Step 6: Final answer
   x = 287,048.02