Finding the Third Proportional to 222,558 and 494,872

Step by Step Solution

1. Step 1: Write the proportion equation
   222,558 : 494,872 = 494,872 : x
2. Step 2: Convert to fraction form
   222,558/494,872 = 494,872/x
3. Step 3: Cross multiply
   222,558x = 494,872 × 494,872
4. Step 4: Simplify right side
   222,558x = 244,898,296,384
5. Step 5: Solve for x
   x = 244,898,296,384/222,558
6. Step 6: Final answer
   x = 1,100,379.66