Finding the Third Proportional to 3,561,411 and 7,682,694

Step by Step Solution

1. Step 1: Write the proportion equation
   3,561,411 : 7,682,694 = 7,682,694 : x
2. Step 2: Convert to fraction form
   3,561,411/7,682,694 = 7,682,694/x
3. Step 3: Cross multiply
   3,561,411x = 7,682,694 × 7,682,694
4. Step 4: Simplify right side
   3,561,411x = 59,023,787,097,636
5. Step 5: Solve for x
   x = 59,023,787,097,636/3,561,411
6. Step 6: Final answer
   x = 16,573,146.74