Finding the Third Proportional to 56,744 and 123,644

Step by Step Solution

1. Step 1: Write the proportion equation
   56,744 : 123,644 = 123,644 : x
2. Step 2: Convert to fraction form
   56,744/123,644 = 123,644/x
3. Step 3: Cross multiply
   56,744x = 123,644 × 123,644
4. Step 4: Simplify right side
   56,744x = 15,287,838,736
5. Step 5: Solve for x
   x = 15,287,838,736/56,744
6. Step 6: Final answer
   x = 269,417.71