Finding the Third Proportional to 115,568 and 240,300

Step by Step Solution

1. Step 1: Write the proportion equation
   115,568 : 240,300 = 240,300 : x
2. Step 2: Convert to fraction form
   115,568/240,300 = 240,300/x
3. Step 3: Cross multiply
   115,568x = 240,300 × 240,300
4. Step 4: Simplify right side
   115,568x = 57,744,090,000
5. Step 5: Solve for x
   x = 57,744,090,000/115,568
6. Step 6: Final answer
   x = 499,654.66