Finding the Third Proportional to 33.81 and 51.82

Step by Step Solution

1. Step 1: Write the proportion equation
   33.81 : 51.82 = 51.82 : x
2. Step 2: Convert to fraction form
   33.81/51.82 = 51.82/x
3. Step 3: Cross multiply
   33.81x = 51.82 × 51.82
4. Step 4: Simplify right side
   33.81x = 2,685.46
5. Step 5: Solve for x
   x = 2,685.46/33.81
6. Step 6: Final answer
   x = 79.44