Finding the Third Proportional to 80,814 and 171,996

Step by Step Solution

1. Step 1: Write the proportion equation
   80,814 : 171,996 = 171,996 : x
2. Step 2: Convert to fraction form
   80,814/171,996 = 171,996/x
3. Step 3: Cross multiply
   80,814x = 171,996 × 171,996
4. Step 4: Simplify right side
   80,814x = 29,582,624,016
5. Step 5: Solve for x
   x = 29,582,624,016/80,814
6. Step 6: Final answer
   x = 366,058.16