Finding the Third Proportional to 268,015.50 and 558,083.25

Step by Step Solution

1. Step 1: Write the proportion equation
   268,015.50 : 558,083.25 = 558,083.25 : x
2. Step 2: Convert to fraction form
   268,015.50/558,083.25 = 558,083.25/x
3. Step 3: Cross multiply
   268,015.50x = 558,083.25 × 558,083.25
4. Step 4: Simplify right side
   268,015.50x = 311,456,913,930.56
5. Step 5: Solve for x
   x = 311,456,913,930.56/268,015.50
6. Step 6: Final answer
   x = 1,162,085.45