Finding the Third Proportional to 217,440 and 474,752

Step by Step Solution

1. Step 1: Write the proportion equation
   217,440 : 474,752 = 474,752 : x
2. Step 2: Convert to fraction form
   217,440/474,752 = 474,752/x
3. Step 3: Cross multiply
   217,440x = 474,752 × 474,752
4. Step 4: Simplify right side
   217,440x = 225,389,461,504
5. Step 5: Solve for x
   x = 225,389,461,504/217,440
6. Step 6: Final answer
   x = 1,036,559.33