Finding the Third Proportional to 111,387 and 244,918

Step by Step Solution

1. Step 1: Write the proportion equation
   111,387 : 244,918 = 244,918 : x
2. Step 2: Convert to fraction form
   111,387/244,918 = 244,918/x
3. Step 3: Cross multiply
   111,387x = 244,918 × 244,918
4. Step 4: Simplify right side
   111,387x = 59,984,826,724
5. Step 5: Solve for x
   x = 59,984,826,724/111,387
6. Step 6: Final answer
   x = 538,526.28