Finding the Third Proportional to 42.23 and 63.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42.23 : 63.56 = 63.56 : x
2. Step 2: Convert to fraction form
   42.23/63.56 = 63.56/x
3. Step 3: Cross multiply
   42.23x = 63.56 × 63.56
4. Step 4: Simplify right side
   42.23x = 4,040.19
5. Step 5: Solve for x
   x = 4,040.19/42.23
6. Step 6: Final answer
   x = 95.66