Finding the Third Proportional to 60,142.50 and 131,563.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,142.50 : 131,563.50 = 131,563.50 : x
2. Step 2: Convert to fraction form
   60,142.50/131,563.50 = 131,563.50/x
3. Step 3: Cross multiply
   60,142.50x = 131,563.50 × 131,563.50
4. Step 4: Simplify right side
   60,142.50x = 17,308,954,532.25
5. Step 5: Solve for x
   x = 17,308,954,532.25/60,142.50
6. Step 6: Final answer
   x = 287,799.05