Finding the Third Proportional to 3,421,683 and 7,348,806

Step by Step Solution

1. Step 1: Write the proportion equation
   3,421,683 : 7,348,806 = 7,348,806 : x
2. Step 2: Convert to fraction form
   3,421,683/7,348,806 = 7,348,806/x
3. Step 3: Cross multiply
   3,421,683x = 7,348,806 × 7,348,806
4. Step 4: Simplify right side
   3,421,683x = 54,004,949,625,636
5. Step 5: Solve for x
   x = 54,004,949,625,636/3,421,683
6. Step 6: Final answer
   x = 15,783,153.97