Finding the Third Proportional to 3,828,408 and 8,411,544

Step by Step Solution

1. Step 1: Write the proportion equation
   3,828,408 : 8,411,544 = 8,411,544 : x
2. Step 2: Convert to fraction form
   3,828,408/8,411,544 = 8,411,544/x
3. Step 3: Cross multiply
   3,828,408x = 8,411,544 × 8,411,544
4. Step 4: Simplify right side
   3,828,408x = 70,754,072,463,936
5. Step 5: Solve for x
   x = 70,754,072,463,936/3,828,408
6. Step 6: Final answer
   x = 18,481,330.22