Finding the Third Proportional to 15.82 and 34.33

Step by Step Solution

1. Step 1: Write the proportion equation
   15.82 : 34.33 = 34.33 : x
2. Step 2: Convert to fraction form
   15.82/34.33 = 34.33/x
3. Step 3: Cross multiply
   15.82x = 34.33 × 34.33
4. Step 4: Simplify right side
   15.82x = 1,178.55
5. Step 5: Solve for x
   x = 1,178.55/15.82
6. Step 6: Final answer
   x = 74.50