Finding the Third Proportional to 57,387 and 123,838

Step by Step Solution

1. Step 1: Write the proportion equation
   57,387 : 123,838 = 123,838 : x
2. Step 2: Convert to fraction form
   57,387/123,838 = 123,838/x
3. Step 3: Cross multiply
   57,387x = 123,838 × 123,838
4. Step 4: Simplify right side
   57,387x = 15,335,850,244
5. Step 5: Solve for x
   x = 15,335,850,244/57,387
6. Step 6: Final answer
   x = 267,235.62