Finding the Third Proportional to 124,214.34 and 268,111.69

Step by Step Solution

1. Step 1: Write the proportion equation
   124,214.34 : 268,111.69 = 268,111.69 : x
2. Step 2: Convert to fraction form
   124,214.34/268,111.69 = 268,111.69/x
3. Step 3: Cross multiply
   124,214.34x = 268,111.69 × 268,111.69
4. Step 4: Simplify right side
   124,214.34x = 71,883,876,974.10
5. Step 5: Solve for x
   x = 71,883,876,974.10/124,214.34
6. Step 6: Final answer
   x = 578,708.34