Finding the Third Proportional to 57,105.50 and 131,612.75

Step by Step Solution

1. Step 1: Write the proportion equation
   57,105.50 : 131,612.75 = 131,612.75 : x
2. Step 2: Convert to fraction form
   57,105.50/131,612.75 = 131,612.75/x
3. Step 3: Cross multiply
   57,105.50x = 131,612.75 × 131,612.75
4. Step 4: Simplify right side
   57,105.50x = 17,321,915,962.56
5. Step 5: Solve for x
   x = 17,321,915,962.56/57,105.50
6. Step 6: Final answer
   x = 303,331.83