Finding the Third Proportional to 57,132 and 87,037.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,132 : 87,037.50 = 87,037.50 : x
2. Step 2: Convert to fraction form
   57,132/87,037.50 = 87,037.50/x
3. Step 3: Cross multiply
   57,132x = 87,037.50 × 87,037.50
4. Step 4: Simplify right side
   57,132x = 7,575,526,406.25
5. Step 5: Solve for x
   x = 7,575,526,406.25/57,132
6. Step 6: Final answer
   x = 132,596.91