Finding the Third Proportional to 111,209 and 244,554

Step by Step Solution

1. Step 1: Write the proportion equation
   111,209 : 244,554 = 244,554 : x
2. Step 2: Convert to fraction form
   111,209/244,554 = 244,554/x
3. Step 3: Cross multiply
   111,209x = 244,554 × 244,554
4. Step 4: Simplify right side
   111,209x = 59,806,658,916
5. Step 5: Solve for x
   x = 59,806,658,916/111,209
6. Step 6: Final answer
   x = 537,786.14