Finding the Third Proportional to 56,401 and 123,957

Step by Step Solution

1. Step 1: Write the proportion equation
   56,401 : 123,957 = 123,957 : x
2. Step 2: Convert to fraction form
   56,401/123,957 = 123,957/x
3. Step 3: Cross multiply
   56,401x = 123,957 × 123,957
4. Step 4: Simplify right side
   56,401x = 15,365,337,849
5. Step 5: Solve for x
   x = 15,365,337,849/56,401
6. Step 6: Final answer
   x = 272,430.24