Finding the Third Proportional to 301,768.50 and 628,323

Step by Step Solution

1. Step 1: Write the proportion equation
   301,768.50 : 628,323 = 628,323 : x
2. Step 2: Convert to fraction form
   301,768.50/628,323 = 628,323/x
3. Step 3: Cross multiply
   301,768.50x = 628,323 × 628,323
4. Step 4: Simplify right side
   301,768.50x = 394,789,792,329
5. Step 5: Solve for x
   x = 394,789,792,329/301,768.50
6. Step 6: Final answer
   x = 1,308,253.82