Finding the Third Proportional to 217,412 and 474,676

Step by Step Solution

1. Step 1: Write the proportion equation
   217,412 : 474,676 = 474,676 : x
2. Step 2: Convert to fraction form
   217,412/474,676 = 474,676/x
3. Step 3: Cross multiply
   217,412x = 474,676 × 474,676
4. Step 4: Simplify right side
   217,412x = 225,317,304,976
5. Step 5: Solve for x
   x = 225,317,304,976/217,412
6. Step 6: Final answer
   x = 1,036,360.94