Finding the Third Proportional to 16.69 and 36.38

Step by Step Solution

1. Step 1: Write the proportion equation
   16.69 : 36.38 = 36.38 : x
2. Step 2: Convert to fraction form
   16.69/36.38 = 36.38/x
3. Step 3: Cross multiply
   16.69x = 36.38 × 36.38
4. Step 4: Simplify right side
   16.69x = 1,323.14
5. Step 5: Solve for x
   x = 1,323.14/16.69
6. Step 6: Final answer
   x = 79.29