Finding the Third Proportional to 325,824 and 672,384

Step by Step Solution

1. Step 1: Write the proportion equation
   325,824 : 672,384 = 672,384 : x
2. Step 2: Convert to fraction form
   325,824/672,384 = 672,384/x
3. Step 3: Cross multiply
   325,824x = 672,384 × 672,384
4. Step 4: Simplify right side
   325,824x = 452,100,243,456
5. Step 5: Solve for x
   x = 452,100,243,456/325,824
6. Step 6: Final answer
   x = 1,387,559.67