Finding the Third Proportional to 15.50 and 34

Step by Step Solution

1. Step 1: Write the proportion equation
   15.50 : 34 = 34 : x
2. Step 2: Convert to fraction form
   15.50/34 = 34/x
3. Step 3: Cross multiply
   15.50x = 34 × 34
4. Step 4: Simplify right side
   15.50x = 1,156
5. Step 5: Solve for x
   x = 1,156/15.50
6. Step 6: Final answer
   x = 74.58