Finding the Third Proportional to 233.03 and 480.78

Step by Step Solution

1. Step 1: Write the proportion equation
   233.03 : 480.78 = 480.78 : x
2. Step 2: Convert to fraction form
   233.03/480.78 = 480.78/x
3. Step 3: Cross multiply
   233.03x = 480.78 × 480.78
4. Step 4: Simplify right side
   233.03x = 231,148.73
5. Step 5: Solve for x
   x = 231,148.73/233.03
6. Step 6: Final answer
   x = 991.91