Finding the Third Proportional to 443,871 and 628,068

Step by Step Solution

1. Step 1: Write the proportion equation
   443,871 : 628,068 = 628,068 : x
2. Step 2: Convert to fraction form
   443,871/628,068 = 628,068/x
3. Step 3: Cross multiply
   443,871x = 628,068 × 628,068
4. Step 4: Simplify right side
   443,871x = 394,469,412,624
5. Step 5: Solve for x
   x = 394,469,412,624/443,871
6. Step 6: Final answer
   x = 888,702.83