Finding the Third Proportional to 57,112.50 and 123,758.75

Step by Step Solution

1. Step 1: Write the proportion equation
   57,112.50 : 123,758.75 = 123,758.75 : x
2. Step 2: Convert to fraction form
   57,112.50/123,758.75 = 123,758.75/x
3. Step 3: Cross multiply
   57,112.50x = 123,758.75 × 123,758.75
4. Step 4: Simplify right side
   57,112.50x = 15,316,228,201.56
5. Step 5: Solve for x
   x = 15,316,228,201.56/57,112.50
6. Step 6: Final answer
   x = 268,176.46