Finding the Third Proportional to 124,198.50 and 268,081.50

Step by Step Solution

1. Step 1: Write the proportion equation
   124,198.50 : 268,081.50 = 268,081.50 : x
2. Step 2: Convert to fraction form
   124,198.50/268,081.50 = 268,081.50/x
3. Step 3: Cross multiply
   124,198.50x = 268,081.50 × 268,081.50
4. Step 4: Simplify right side
   124,198.50x = 71,867,690,642.25
5. Step 5: Solve for x
   x = 71,867,690,642.25/124,198.50
6. Step 6: Final answer
   x = 578,651.84