Finding the Third Proportional to 3,518,392 and 7,684,568

Step by Step Solution

1. Step 1: Write the proportion equation
   3,518,392 : 7,684,568 = 7,684,568 : x
2. Step 2: Convert to fraction form
   3,518,392/7,684,568 = 7,684,568/x
3. Step 3: Cross multiply
   3,518,392x = 7,684,568 × 7,684,568
4. Step 4: Simplify right side
   3,518,392x = 59,052,585,346,624
5. Step 5: Solve for x
   x = 59,052,585,346,624/3,518,392
6. Step 6: Final answer
   x = 16,783,969.88