Finding the Third Proportional to 111,444 and 240,654

Step by Step Solution

1. Step 1: Write the proportion equation
   111,444 : 240,654 = 240,654 : x
2. Step 2: Convert to fraction form
   111,444/240,654 = 240,654/x
3. Step 3: Cross multiply
   111,444x = 240,654 × 240,654
4. Step 4: Simplify right side
   111,444x = 57,914,347,716
5. Step 5: Solve for x
   x = 57,914,347,716/111,444
6. Step 6: Final answer
   x = 519,672.19