Finding the Third Proportional to 111,209.50 and 244,555

Step by Step Solution

1. Step 1: Write the proportion equation
   111,209.50 : 244,555 = 244,555 : x
2. Step 2: Convert to fraction form
   111,209.50/244,555 = 244,555/x
3. Step 3: Cross multiply
   111,209.50x = 244,555 × 244,555
4. Step 4: Simplify right side
   111,209.50x = 59,807,148,025
5. Step 5: Solve for x
   x = 59,807,148,025/111,209.50
6. Step 6: Final answer
   x = 537,788.12