Finding the Third Proportional to 111,105 and 240,300

Step by Step Solution

1. Step 1: Write the proportion equation
   111,105 : 240,300 = 240,300 : x
2. Step 2: Convert to fraction form
   111,105/240,300 = 240,300/x
3. Step 3: Cross multiply
   111,105x = 240,300 × 240,300
4. Step 4: Simplify right side
   111,105x = 57,744,090,000
5. Step 5: Solve for x
   x = 57,744,090,000/111,105
6. Step 6: Final answer
   x = 519,725.39