Finding the Third Proportional to 64.27 and 100.34

Step by Step Solution

1. Step 1: Write the proportion equation
   64.27 : 100.34 = 100.34 : x
2. Step 2: Convert to fraction form
   64.27/100.34 = 100.34/x
3. Step 3: Cross multiply
   64.27x = 100.34 × 100.34
4. Step 4: Simplify right side
   64.27x = 10,067.30
5. Step 5: Solve for x
   x = 10,067.30/64.27
6. Step 6: Final answer
   x = 156.65