Finding the Third Proportional to 111,359.50 and 239,951

Step by Step Solution

1. Step 1: Write the proportion equation
   111,359.50 : 239,951 = 239,951 : x
2. Step 2: Convert to fraction form
   111,359.50/239,951 = 239,951/x
3. Step 3: Cross multiply
   111,359.50x = 239,951 × 239,951
4. Step 4: Simplify right side
   111,359.50x = 57,576,482,401
5. Step 5: Solve for x
   x = 57,576,482,401/111,359.50
6. Step 6: Final answer
   x = 517,032.52