Finding the Third Proportional to 190.69 and 251.22

Step by Step Solution

1. Step 1: Write the proportion equation
   190.69 : 251.22 = 251.22 : x
2. Step 2: Convert to fraction form
   190.69/251.22 = 251.22/x
3. Step 3: Cross multiply
   190.69x = 251.22 × 251.22
4. Step 4: Simplify right side
   190.69x = 63,110.86
5. Step 5: Solve for x
   x = 63,110.86/190.69
6. Step 6: Final answer
   x = 330.96