Finding the Third Proportional to 6,422,408 and 8,747,796

Step by Step Solution

1. Step 1: Write the proportion equation
   6,422,408 : 8,747,796 = 8,747,796 : x
2. Step 2: Convert to fraction form
   6,422,408/8,747,796 = 8,747,796/x
3. Step 3: Cross multiply
   6,422,408x = 8,747,796 × 8,747,796
4. Step 4: Simplify right side
   6,422,408x = 76,523,934,857,616
5. Step 5: Solve for x
   x = 76,523,934,857,616/6,422,408
6. Step 6: Final answer
   x = 11,915,146.91