Finding the Third Proportional to 268,072.50 and 558,204

Step by Step Solution

1. Step 1: Write the proportion equation
   268,072.50 : 558,204 = 558,204 : x
2. Step 2: Convert to fraction form
   268,072.50/558,204 = 558,204/x
3. Step 3: Cross multiply
   268,072.50x = 558,204 × 558,204
4. Step 4: Simplify right side
   268,072.50x = 311,591,705,616
5. Step 5: Solve for x
   x = 311,591,705,616/268,072.50
6. Step 6: Final answer
   x = 1,162,341.18