Finding the Third Proportional to 301,765.50 and 628,080

Step by Step Solution

1. Step 1: Write the proportion equation
   301,765.50 : 628,080 = 628,080 : x
2. Step 2: Convert to fraction form
   301,765.50/628,080 = 628,080/x
3. Step 3: Cross multiply
   301,765.50x = 628,080 × 628,080
4. Step 4: Simplify right side
   301,765.50x = 394,484,486,400
5. Step 5: Solve for x
   x = 394,484,486,400/301,765.50
6. Step 6: Final answer
   x = 1,307,255.09