Finding the Third Proportional to 222,268 and 486,698

Step by Step Solution

1. Step 1: Write the proportion equation
   222,268 : 486,698 = 486,698 : x
2. Step 2: Convert to fraction form
   222,268/486,698 = 486,698/x
3. Step 3: Cross multiply
   222,268x = 486,698 × 486,698
4. Step 4: Simplify right side
   222,268x = 236,874,943,204
5. Step 5: Solve for x
   x = 236,874,943,204/222,268
6. Step 6: Final answer
   x = 1,065,717.71