Finding the Third Proportional to 80,418 and 162,996

Step by Step Solution

1. Step 1: Write the proportion equation
   80,418 : 162,996 = 162,996 : x
2. Step 2: Convert to fraction form
   80,418/162,996 = 162,996/x
3. Step 3: Cross multiply
   80,418x = 162,996 × 162,996
4. Step 4: Simplify right side
   80,418x = 26,567,696,016
5. Step 5: Solve for x
   x = 26,567,696,016/80,418
6. Step 6: Final answer
   x = 330,370.02