Finding the Third Proportional to 57,253.50 and 87,581.25

Step by Step Solution

1. Step 1: Write the proportion equation
   57,253.50 : 87,581.25 = 87,581.25 : x
2. Step 2: Convert to fraction form
   57,253.50/87,581.25 = 87,581.25/x
3. Step 3: Cross multiply
   57,253.50x = 87,581.25 × 87,581.25
4. Step 4: Simplify right side
   57,253.50x = 7,670,475,351.56
5. Step 5: Solve for x
   x = 7,670,475,351.56/57,253.50
6. Step 6: Final answer
   x = 133,973.91