Finding the Third Proportional to 404,514 and 628,084

Step by Step Solution

1. Step 1: Write the proportion equation
   404,514 : 628,084 = 628,084 : x
2. Step 2: Convert to fraction form
   404,514/628,084 = 628,084/x
3. Step 3: Cross multiply
   404,514x = 628,084 × 628,084
4. Step 4: Simplify right side
   404,514x = 394,489,511,056
5. Step 5: Solve for x
   x = 394,489,511,056/404,514
6. Step 6: Final answer
   x = 975,218.44