Finding the Third Proportional to 367.50 and 764.25

Step by Step Solution

1. Step 1: Write the proportion equation
   367.50 : 764.25 = 764.25 : x
2. Step 2: Convert to fraction form
   367.50/764.25 = 764.25/x
3. Step 3: Cross multiply
   367.50x = 764.25 × 764.25
4. Step 4: Simplify right side
   367.50x = 584,078.06
5. Step 5: Solve for x
   x = 584,078.06/367.50
6. Step 6: Final answer
   x = 1,589.33