Finding the Third Proportional to 3,235,806 and 7,021,638

Step by Step Solution

1. Step 1: Write the proportion equation
   3,235,806 : 7,021,638 = 7,021,638 : x
2. Step 2: Convert to fraction form
   3,235,806/7,021,638 = 7,021,638/x
3. Step 3: Cross multiply
   3,235,806x = 7,021,638 × 7,021,638
4. Step 4: Simplify right side
   3,235,806x = 49,303,400,203,044
5. Step 5: Solve for x
   x = 49,303,400,203,044/3,235,806
6. Step 6: Final answer
   x = 15,236,822.05