Finding the Third Proportional to 226,728 and 494,280

Step by Step Solution

1. Step 1: Write the proportion equation
   226,728 : 494,280 = 494,280 : x
2. Step 2: Convert to fraction form
   226,728/494,280 = 494,280/x
3. Step 3: Cross multiply
   226,728x = 494,280 × 494,280
4. Step 4: Simplify right side
   226,728x = 244,312,718,400
5. Step 5: Solve for x
   x = 244,312,718,400/226,728
6. Step 6: Final answer
   x = 1,077,558.65