Finding the Third Proportional to 328,086.50 and 682,362

Step by Step Solution

1. Step 1: Write the proportion equation
   328,086.50 : 682,362 = 682,362 : x
2. Step 2: Convert to fraction form
   328,086.50/682,362 = 682,362/x
3. Step 3: Cross multiply
   328,086.50x = 682,362 × 682,362
4. Step 4: Simplify right side
   328,086.50x = 465,617,899,044
5. Step 5: Solve for x
   x = 465,617,899,044/328,086.50
6. Step 6: Final answer
   x = 1,419,192.50