Finding the Third Proportional to 42.75 and 73.03

Step by Step Solution

1. Step 1: Write the proportion equation
   42.75 : 73.03 = 73.03 : x
2. Step 2: Convert to fraction form
   42.75/73.03 = 73.03/x
3. Step 3: Cross multiply
   42.75x = 73.03 × 73.03
4. Step 4: Simplify right side
   42.75x = 5,333.56
5. Step 5: Solve for x
   x = 5,333.56/42.75
6. Step 6: Final answer
   x = 124.76