Finding the Third Proportional to 111,909.75 and 240,384

Step by Step Solution

1. Step 1: Write the proportion equation
   111,909.75 : 240,384 = 240,384 : x
2. Step 2: Convert to fraction form
   111,909.75/240,384 = 240,384/x
3. Step 3: Cross multiply
   111,909.75x = 240,384 × 240,384
4. Step 4: Simplify right side
   111,909.75x = 57,784,467,456
5. Step 5: Solve for x
   x = 57,784,467,456/111,909.75
6. Step 6: Final answer
   x = 516,348.82