Finding the Third Proportional to 456.38 and 1,003.88

Step by Step Solution

1. Step 1: Write the proportion equation
   456.38 : 1,003.88 = 1,003.88 : x
2. Step 2: Convert to fraction form
   456.38/1,003.88 = 1,003.88/x
3. Step 3: Cross multiply
   456.38x = 1,003.88 × 1,003.88
4. Step 4: Simplify right side
   456.38x = 1,007,765.02
5. Step 5: Solve for x
   x = 1,007,765.02/456.38
6. Step 6: Final answer
   x = 2,208.20