Finding the Third Proportional to 162,012 and 332,040

Step by Step Solution

1. Step 1: Write the proportion equation
   162,012 : 332,040 = 332,040 : x
2. Step 2: Convert to fraction form
   162,012/332,040 = 332,040/x
3. Step 3: Cross multiply
   162,012x = 332,040 × 332,040
4. Step 4: Simplify right side
   162,012x = 110,250,561,600
5. Step 5: Solve for x
   x = 110,250,561,600/162,012
6. Step 6: Final answer
   x = 680,508.61