Finding the Third Proportional to 111,504 and 243,744

Step by Step Solution

1. Step 1: Write the proportion equation
   111,504 : 243,744 = 243,744 : x
2. Step 2: Convert to fraction form
   111,504/243,744 = 243,744/x
3. Step 3: Cross multiply
   111,504x = 243,744 × 243,744
4. Step 4: Simplify right side
   111,504x = 59,411,137,536
5. Step 5: Solve for x
   x = 59,411,137,536/111,504
6. Step 6: Final answer
   x = 532,816.20