Finding the Third Proportional to 443,829.50 and 628,008

Step by Step Solution

1. Step 1: Write the proportion equation
   443,829.50 : 628,008 = 628,008 : x
2. Step 2: Convert to fraction form
   443,829.50/628,008 = 628,008/x
3. Step 3: Cross multiply
   443,829.50x = 628,008 × 628,008
4. Step 4: Simplify right side
   443,829.50x = 394,394,048,064
5. Step 5: Solve for x
   x = 394,394,048,064/443,829.50
6. Step 6: Final answer
   x = 888,616.12