Finding the Third Proportional to 69.28 and 104.43

Step by Step Solution

1. Step 1: Write the proportion equation
   69.28 : 104.43 = 104.43 : x
2. Step 2: Convert to fraction form
   69.28/104.43 = 104.43/x
3. Step 3: Cross multiply
   69.28x = 104.43 × 104.43
4. Step 4: Simplify right side
   69.28x = 10,906.43
5. Step 5: Solve for x
   x = 10,906.43/69.28
6. Step 6: Final answer
   x = 157.42