Finding the Third Proportional to 33.13 and 73.78

Step by Step Solution

1. Step 1: Write the proportion equation
   33.13 : 73.78 = 73.78 : x
2. Step 2: Convert to fraction form
   33.13/73.78 = 73.78/x
3. Step 3: Cross multiply
   33.13x = 73.78 × 73.78
4. Step 4: Simplify right side
   33.13x = 5,443.67
5. Step 5: Solve for x
   x = 5,443.67/33.13
6. Step 6: Final answer
   x = 164.34