Finding the Third Proportional to 473,408 and 665,879.88

Step by Step Solution

1. Step 1: Write the proportion equation
   473,408 : 665,879.88 = 665,879.88 : x
2. Step 2: Convert to fraction form
   473,408/665,879.88 = 665,879.88/x
3. Step 3: Cross multiply
   473,408x = 665,879.88 × 665,879.88
4. Step 4: Simplify right side
   473,408x = 443,396,007,930.02
5. Step 5: Solve for x
   x = 443,396,007,930.02/473,408
6. Step 6: Final answer
   x = 936,604.38