Finding the Third Proportional to 42.82 and 64.76

Step by Step Solution

1. Step 1: Write the proportion equation
   42.82 : 64.76 = 64.76 : x
2. Step 2: Convert to fraction form
   42.82/64.76 = 64.76/x
3. Step 3: Cross multiply
   42.82x = 64.76 × 64.76
4. Step 4: Simplify right side
   42.82x = 4,193.57
5. Step 5: Solve for x
   x = 4,193.57/42.82
6. Step 6: Final answer
   x = 97.93