Finding the Third Proportional to 45.56 and 74.04

Step by Step Solution

1. Step 1: Write the proportion equation
   45.56 : 74.04 = 74.04 : x
2. Step 2: Convert to fraction form
   45.56/74.04 = 74.04/x
3. Step 3: Cross multiply
   45.56x = 74.04 × 74.04
4. Step 4: Simplify right side
   45.56x = 5,481.78
5. Step 5: Solve for x
   x = 5,481.78/45.56
6. Step 6: Final answer
   x = 120.31