Finding the Third Proportional to 124,969.50 and 268,407

Step by Step Solution

1. Step 1: Write the proportion equation
   124,969.50 : 268,407 = 268,407 : x
2. Step 2: Convert to fraction form
   124,969.50/268,407 = 268,407/x
3. Step 3: Cross multiply
   124,969.50x = 268,407 × 268,407
4. Step 4: Simplify right side
   124,969.50x = 72,042,317,649
5. Step 5: Solve for x
   x = 72,042,317,649/124,969.50
6. Step 6: Final answer
   x = 576,479.20