Finding the Third Proportional to 443,860 and 628,050

Step by Step Solution

1. Step 1: Write the proportion equation
   443,860 : 628,050 = 628,050 : x
2. Step 2: Convert to fraction form
   443,860/628,050 = 628,050/x
3. Step 3: Cross multiply
   443,860x = 628,050 × 628,050
4. Step 4: Simplify right side
   443,860x = 394,446,802,500
5. Step 5: Solve for x
   x = 394,446,802,500/443,860
6. Step 6: Final answer
   x = 888,673.91