Finding the Third Proportional to 19.69 and 28.83

Step by Step Solution

1. Step 1: Write the proportion equation
   19.69 : 28.83 = 28.83 : x
2. Step 2: Convert to fraction form
   19.69/28.83 = 28.83/x
3. Step 3: Cross multiply
   19.69x = 28.83 × 28.83
4. Step 4: Simplify right side
   19.69x = 831.06
5. Step 5: Solve for x
   x = 831.06/19.69
6. Step 6: Final answer
   x = 42.21