Finding the Third Proportional to 222,540 and 494,836

Step by Step Solution

1. Step 1: Write the proportion equation
   222,540 : 494,836 = 494,836 : x
2. Step 2: Convert to fraction form
   222,540/494,836 = 494,836/x
3. Step 3: Cross multiply
   222,540x = 494,836 × 494,836
4. Step 4: Simplify right side
   222,540x = 244,862,666,896
5. Step 5: Solve for x
   x = 244,862,666,896/222,540
6. Step 6: Final answer
   x = 1,100,308.56