Finding the Third Proportional to 222,554 and 494,860

Step by Step Solution

1. Step 1: Write the proportion equation
   222,554 : 494,860 = 494,860 : x
2. Step 2: Convert to fraction form
   222,554/494,860 = 494,860/x
3. Step 3: Cross multiply
   222,554x = 494,860 × 494,860
4. Step 4: Simplify right side
   222,554x = 244,886,419,600
5. Step 5: Solve for x
   x = 244,886,419,600/222,554
6. Step 6: Final answer
   x = 1,100,346.07