Finding the Third Proportional to 404,967 and 628,674

Step by Step Solution

1. Step 1: Write the proportion equation
   404,967 : 628,674 = 628,674 : x
2. Step 2: Convert to fraction form
   404,967/628,674 = 628,674/x
3. Step 3: Cross multiply
   404,967x = 628,674 × 628,674
4. Step 4: Simplify right side
   404,967x = 395,230,998,276
5. Step 5: Solve for x
   x = 395,230,998,276/404,967
6. Step 6: Final answer
   x = 975,958.53