Finding the Third Proportional to 124,222 and 268,116

Step by Step Solution

1. Step 1: Write the proportion equation
   124,222 : 268,116 = 268,116 : x
2. Step 2: Convert to fraction form
   124,222/268,116 = 268,116/x
3. Step 3: Cross multiply
   124,222x = 268,116 × 268,116
4. Step 4: Simplify right side
   124,222x = 71,886,189,456
5. Step 5: Solve for x
   x = 71,886,189,456/124,222
6. Step 6: Final answer
   x = 578,691.29