Finding the Third Proportional to 33.38 and 50.91

Step by Step Solution

1. Step 1: Write the proportion equation
   33.38 : 50.91 = 50.91 : x
2. Step 2: Convert to fraction form
   33.38/50.91 = 50.91/x
3. Step 3: Cross multiply
   33.38x = 50.91 × 50.91
4. Step 4: Simplify right side
   33.38x = 2,591.45
5. Step 5: Solve for x
   x = 2,591.45/33.38
6. Step 6: Final answer
   x = 77.65