Finding the Third Proportional to 3,647,112 and 7,936,408

Step by Step Solution

1. Step 1: Write the proportion equation
   3,647,112 : 7,936,408 = 7,936,408 : x
2. Step 2: Convert to fraction form
   3,647,112/7,936,408 = 7,936,408/x
3. Step 3: Cross multiply
   3,647,112x = 7,936,408 × 7,936,408
4. Step 4: Simplify right side
   3,647,112x = 62,986,571,942,464
5. Step 5: Solve for x
   x = 62,986,571,942,464/3,647,112
6. Step 6: Final answer
   x = 17,270,259.85