Finding the Third Proportional to 215,920 and 474,352

Step by Step Solution

1. Step 1: Write the proportion equation
   215,920 : 474,352 = 474,352 : x
2. Step 2: Convert to fraction form
   215,920/474,352 = 474,352/x
3. Step 3: Cross multiply
   215,920x = 474,352 × 474,352
4. Step 4: Simplify right side
   215,920x = 225,009,819,904
5. Step 5: Solve for x
   x = 225,009,819,904/215,920
6. Step 6: Final answer
   x = 1,042,098.09