Finding the Third Proportional to 3,828,416 and 8,411,568

Step by Step Solution

1. Step 1: Write the proportion equation
   3,828,416 : 8,411,568 = 8,411,568 : x
2. Step 2: Convert to fraction form
   3,828,416/8,411,568 = 8,411,568/x
3. Step 3: Cross multiply
   3,828,416x = 8,411,568 × 8,411,568
4. Step 4: Simplify right side
   3,828,416x = 70,754,476,218,624
5. Step 5: Solve for x
   x = 70,754,476,218,624/3,828,416
6. Step 6: Final answer
   x = 18,481,397.06