Finding the Third Proportional to 226,790 and 496,580

Step by Step Solution

1. Step 1: Write the proportion equation
   226,790 : 496,580 = 496,580 : x
2. Step 2: Convert to fraction form
   226,790/496,580 = 496,580/x
3. Step 3: Cross multiply
   226,790x = 496,580 × 496,580
4. Step 4: Simplify right side
   226,790x = 246,591,696,400
5. Step 5: Solve for x
   x = 246,591,696,400/226,790
6. Step 6: Final answer
   x = 1,087,312.92