Finding the Third Proportional to 42.75 and 64.03

Step by Step Solution

1. Step 1: Write the proportion equation
   42.75 : 64.03 = 64.03 : x
2. Step 2: Convert to fraction form
   42.75/64.03 = 64.03/x
3. Step 3: Cross multiply
   42.75x = 64.03 × 64.03
4. Step 4: Simplify right side
   42.75x = 4,100.00
5. Step 5: Solve for x
   x = 4,100.00/42.75
6. Step 6: Final answer
   x = 95.91