Finding the Third Proportional to 443,866 and 628,058

Step by Step Solution

1. Step 1: Write the proportion equation
   443,866 : 628,058 = 628,058 : x
2. Step 2: Convert to fraction form
   443,866/628,058 = 628,058/x
3. Step 3: Cross multiply
   443,866x = 628,058 × 628,058
4. Step 4: Simplify right side
   443,866x = 394,456,851,364
5. Step 5: Solve for x
   x = 394,456,851,364/443,866
6. Step 6: Final answer
   x = 888,684.54