Finding the Third Proportional to 33.33 and 49.78

Step by Step Solution

1. Step 1: Write the proportion equation
   33.33 : 49.78 = 49.78 : x
2. Step 2: Convert to fraction form
   33.33/49.78 = 49.78/x
3. Step 3: Cross multiply
   33.33x = 49.78 × 49.78
4. Step 4: Simplify right side
   33.33x = 2,478.17
5. Step 5: Solve for x
   x = 2,478.17/33.33
6. Step 6: Final answer
   x = 74.36