Finding the Third Proportional to 111,021 and 240,762

Step by Step Solution

1. Step 1: Write the proportion equation
   111,021 : 240,762 = 240,762 : x
2. Step 2: Convert to fraction form
   111,021/240,762 = 240,762/x
3. Step 3: Cross multiply
   111,021x = 240,762 × 240,762
4. Step 4: Simplify right side
   111,021x = 57,966,340,644
5. Step 5: Solve for x
   x = 57,966,340,644/111,021
6. Step 6: Final answer
   x = 522,120.51