Finding the Third Proportional to 217,444 and 474,760

Step by Step Solution

1. Step 1: Write the proportion equation
   217,444 : 474,760 = 474,760 : x
2. Step 2: Convert to fraction form
   217,444/474,760 = 474,760/x
3. Step 3: Cross multiply
   217,444x = 474,760 × 474,760
4. Step 4: Simplify right side
   217,444x = 225,397,057,600
5. Step 5: Solve for x
   x = 225,397,057,600/217,444
6. Step 6: Final answer
   x = 1,036,575.20