Finding the Third Proportional to 3,420,717 and 7,436,832

Step by Step Solution

1. Step 1: Write the proportion equation
   3,420,717 : 7,436,832 = 7,436,832 : x
2. Step 2: Convert to fraction form
   3,420,717/7,436,832 = 7,436,832/x
3. Step 3: Cross multiply
   3,420,717x = 7,436,832 × 7,436,832
4. Step 4: Simplify right side
   3,420,717x = 55,306,470,196,224
5. Step 5: Solve for x
   x = 55,306,470,196,224/3,420,717
6. Step 6: Final answer
   x = 16,168,092.89