Finding the Third Proportional to 28.55 and 43.07

Step by Step Solution

1. Step 1: Write the proportion equation
   28.55 : 43.07 = 43.07 : x
2. Step 2: Convert to fraction form
   28.55/43.07 = 43.07/x
3. Step 3: Cross multiply
   28.55x = 43.07 × 43.07
4. Step 4: Simplify right side
   28.55x = 1,854.72
5. Step 5: Solve for x
   x = 1,854.72/28.55
6. Step 6: Final answer
   x = 64.97