Finding the Third Proportional to 111,496 and 240,488

Step by Step Solution

1. Step 1: Write the proportion equation
   111,496 : 240,488 = 240,488 : x
2. Step 2: Convert to fraction form
   111,496/240,488 = 240,488/x
3. Step 3: Cross multiply
   111,496x = 240,488 × 240,488
4. Step 4: Simplify right side
   111,496x = 57,834,478,144
5. Step 5: Solve for x
   x = 57,834,478,144/111,496
6. Step 6: Final answer
   x = 518,713.48