Finding the Third Proportional to 443,862 and 628,051.50

Step by Step Solution

1. Step 1: Write the proportion equation
   443,862 : 628,051.50 = 628,051.50 : x
2. Step 2: Convert to fraction form
   443,862/628,051.50 = 628,051.50/x
3. Step 3: Cross multiply
   443,862x = 628,051.50 × 628,051.50
4. Step 4: Simplify right side
   443,862x = 394,448,686,652.25
5. Step 5: Solve for x
   x = 394,448,686,652.25/443,862
6. Step 6: Final answer
   x = 888,674.15