Finding the Third Proportional to 57,907.50 and 87,000.38

Step by Step Solution

1. Step 1: Write the proportion equation
   57,907.50 : 87,000.38 = 87,000.38 : x
2. Step 2: Convert to fraction form
   57,907.50/87,000.38 = 87,000.38/x
3. Step 3: Cross multiply
   57,907.50x = 87,000.38 × 87,000.38
4. Step 4: Simplify right side
   57,907.50x = 7,569,065,250.14
5. Step 5: Solve for x
   x = 7,569,065,250.14/57,907.50
6. Step 6: Final answer
   x = 130,709.58