Finding the Third Proportional to 34.59 and 52.17

Step by Step Solution

1. Step 1: Write the proportion equation
   34.59 : 52.17 = 52.17 : x
2. Step 2: Convert to fraction form
   34.59/52.17 = 52.17/x
3. Step 3: Cross multiply
   34.59x = 52.17 × 52.17
4. Step 4: Simplify right side
   34.59x = 2,721.90
5. Step 5: Solve for x
   x = 2,721.90/34.59
6. Step 6: Final answer
   x = 78.68