Finding the Third Proportional to 268,137 and 558,325.50

Step by Step Solution

1. Step 1: Write the proportion equation
   268,137 : 558,325.50 = 558,325.50 : x
2. Step 2: Convert to fraction form
   268,137/558,325.50 = 558,325.50/x
3. Step 3: Cross multiply
   268,137x = 558,325.50 × 558,325.50
4. Step 4: Simplify right side
   268,137x = 311,727,363,950.25
5. Step 5: Solve for x
   x = 311,727,363,950.25/268,137
6. Step 6: Final answer
   x = 1,162,567.51