Finding the Third Proportional to 2,166,568 and 4,694,720

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166,568 : 4,694,720 = 4,694,720 : x
2. Step 2: Convert to fraction form
   2,166,568/4,694,720 = 4,694,720/x
3. Step 3: Cross multiply
   2,166,568x = 4,694,720 × 4,694,720
4. Step 4: Simplify right side
   2,166,568x = 22,040,395,878,400
5. Step 5: Solve for x
   x = 22,040,395,878,400/2,166,568
6. Step 6: Final answer
   x = 10,172,953.67