Finding the Third Proportional to 79.83 and 171.89

Step by Step Solution

1. Step 1: Write the proportion equation
   79.83 : 171.89 = 171.89 : x
2. Step 2: Convert to fraction form
   79.83/171.89 = 171.89/x
3. Step 3: Cross multiply
   79.83x = 171.89 × 171.89
4. Step 4: Simplify right side
   79.83x = 29,546.23
5. Step 5: Solve for x
   x = 29,546.23/79.83
6. Step 6: Final answer
   x = 370.11