Finding the Third Proportional to 325,391 and 675,384

Step by Step Solution

1. Step 1: Write the proportion equation
   325,391 : 675,384 = 675,384 : x
2. Step 2: Convert to fraction form
   325,391/675,384 = 675,384/x
3. Step 3: Cross multiply
   325,391x = 675,384 × 675,384
4. Step 4: Simplify right side
   325,391x = 456,143,547,456
5. Step 5: Solve for x
   x = 456,143,547,456/325,391
6. Step 6: Final answer
   x = 1,401,832.10