Finding the Third Proportional to 124,215.75 and 268,273.69

Step by Step Solution

1. Step 1: Write the proportion equation
   124,215.75 : 268,273.69 = 268,273.69 : x
2. Step 2: Convert to fraction form
   124,215.75/268,273.69 = 268,273.69/x
3. Step 3: Cross multiply
   124,215.75x = 268,273.69 × 268,273.69
4. Step 4: Simplify right side
   124,215.75x = 71,970,771,404.85
5. Step 5: Solve for x
   x = 71,970,771,404.85/124,215.75
6. Step 6: Final answer
   x = 579,401.34