Finding the Third Proportional to 3,851,824 and 8,320,384

Step by Step Solution

1. Step 1: Write the proportion equation
   3,851,824 : 8,320,384 = 8,320,384 : x
2. Step 2: Convert to fraction form
   3,851,824/8,320,384 = 8,320,384/x
3. Step 3: Cross multiply
   3,851,824x = 8,320,384 × 8,320,384
4. Step 4: Simplify right side
   3,851,824x = 69,228,789,907,456
5. Step 5: Solve for x
   x = 69,228,789,907,456/3,851,824
6. Step 6: Final answer
   x = 17,972,988.88