Finding the Third Proportional to 404,892 and 628,560

Step by Step Solution

1. Step 1: Write the proportion equation
   404,892 : 628,560 = 628,560 : x
2. Step 2: Convert to fraction form
   404,892/628,560 = 628,560/x
3. Step 3: Cross multiply
   404,892x = 628,560 × 628,560
4. Step 4: Simplify right side
   404,892x = 395,087,673,600
5. Step 5: Solve for x
   x = 395,087,673,600/404,892
6. Step 6: Final answer
   x = 975,785.33