Finding the Third Proportional to 111,406.50 and 240,568

Step by Step Solution

1. Step 1: Write the proportion equation
   111,406.50 : 240,568 = 240,568 : x
2. Step 2: Convert to fraction form
   111,406.50/240,568 = 240,568/x
3. Step 3: Cross multiply
   111,406.50x = 240,568 × 240,568
4. Step 4: Simplify right side
   111,406.50x = 57,872,962,624
5. Step 5: Solve for x
   x = 57,872,962,624/111,406.50
6. Step 6: Final answer
   x = 519,475.64