Finding the Third Proportional to 1,256,040 and 2,722,680

Step by Step Solution

1. Step 1: Write the proportion equation
   1,256,040 : 2,722,680 = 2,722,680 : x
2. Step 2: Convert to fraction form
   1,256,040/2,722,680 = 2,722,680/x
3. Step 3: Cross multiply
   1,256,040x = 2,722,680 × 2,722,680
4. Step 4: Simplify right side
   1,256,040x = 7,412,986,382,400
5. Step 5: Solve for x
   x = 7,412,986,382,400/1,256,040
6. Step 6: Final answer
   x = 5,901,871.26