Finding the Third Proportional to 6,422,410 and 8,747,799

Step by Step Solution

1. Step 1: Write the proportion equation
   6,422,410 : 8,747,799 = 8,747,799 : x
2. Step 2: Convert to fraction form
   6,422,410/8,747,799 = 8,747,799/x
3. Step 3: Cross multiply
   6,422,410x = 8,747,799 × 8,747,799
4. Step 4: Simplify right side
   6,422,410x = 76,523,987,344,401
5. Step 5: Solve for x
   x = 76,523,987,344,401/6,422,410
6. Step 6: Final answer
   x = 11,915,151.38