Finding the Third Proportional to 3,806,824 and 8,240,912

Step by Step Solution

1. Step 1: Write the proportion equation
   3,806,824 : 8,240,912 = 8,240,912 : x
2. Step 2: Convert to fraction form
   3,806,824/8,240,912 = 8,240,912/x
3. Step 3: Cross multiply
   3,806,824x = 8,240,912 × 8,240,912
4. Step 4: Simplify right side
   3,806,824x = 67,912,630,591,744
5. Step 5: Solve for x
   x = 67,912,630,591,744/3,806,824
6. Step 6: Final answer
   x = 17,839,708.53