Finding the Third Proportional to 215,338 and 471,698

Step by Step Solution

1. Step 1: Write the proportion equation
   215,338 : 471,698 = 471,698 : x
2. Step 2: Convert to fraction form
   215,338/471,698 = 471,698/x
3. Step 3: Cross multiply
   215,338x = 471,698 × 471,698
4. Step 4: Simplify right side
   215,338x = 222,499,003,204
5. Step 5: Solve for x
   x = 222,499,003,204/215,338
6. Step 6: Final answer
   x = 1,033,254.71