Finding the Third Proportional to 190.03 and 274.59

Step by Step Solution

1. Step 1: Write the proportion equation
   190.03 : 274.59 = 274.59 : x
2. Step 2: Convert to fraction form
   190.03/274.59 = 274.59/x
3. Step 3: Cross multiply
   190.03x = 274.59 × 274.59
4. Step 4: Simplify right side
   190.03x = 75,401.73
5. Step 5: Solve for x
   x = 75,401.73/190.03
6. Step 6: Final answer
   x = 396.79