Finding the Third Proportional to 111,654 and 240,800

Step by Step Solution

1. Step 1: Write the proportion equation
   111,654 : 240,800 = 240,800 : x
2. Step 2: Convert to fraction form
   111,654/240,800 = 240,800/x
3. Step 3: Cross multiply
   111,654x = 240,800 × 240,800
4. Step 4: Simplify right side
   111,654x = 57,984,640,000
5. Step 5: Solve for x
   x = 57,984,640,000/111,654
6. Step 6: Final answer
   x = 519,324.34