Finding the Third Proportional to 2,166,560 and 4,694,704

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166,560 : 4,694,704 = 4,694,704 : x
2. Step 2: Convert to fraction form
   2,166,560/4,694,704 = 4,694,704/x
3. Step 3: Cross multiply
   2,166,560x = 4,694,704 × 4,694,704
4. Step 4: Simplify right side
   2,166,560x = 22,040,245,647,616
5. Step 5: Solve for x
   x = 22,040,245,647,616/2,166,560
6. Step 6: Final answer
   x = 10,172,921.89