Finding the Third Proportional to 3,420,722 and 7,436,839

Step by Step Solution

1. Step 1: Write the proportion equation
   3,420,722 : 7,436,839 = 7,436,839 : x
2. Step 2: Convert to fraction form
   3,420,722/7,436,839 = 7,436,839/x
3. Step 3: Cross multiply
   3,420,722x = 7,436,839 × 7,436,839
4. Step 4: Simplify right side
   3,420,722x = 55,306,574,311,921
5. Step 5: Solve for x
   x = 55,306,574,311,921/3,420,722
6. Step 6: Final answer
   x = 16,168,099.69