Finding the Third Proportional to 2,560,601 and 3,964,566

Step by Step Solution

1. Step 1: Write the proportion equation
   2,560,601 : 3,964,566 = 3,964,566 : x
2. Step 2: Convert to fraction form
   2,560,601/3,964,566 = 3,964,566/x
3. Step 3: Cross multiply
   2,560,601x = 3,964,566 × 3,964,566
4. Step 4: Simplify right side
   2,560,601x = 15,717,783,568,356
5. Step 5: Solve for x
   x = 15,717,783,568,356/2,560,601
6. Step 6: Final answer
   x = 6,138,318.14