Finding the Third Proportional to 1,231,584 and 2,686,080

Step by Step Solution

1. Step 1: Write the proportion equation
   1,231,584 : 2,686,080 = 2,686,080 : x
2. Step 2: Convert to fraction form
   1,231,584/2,686,080 = 2,686,080/x
3. Step 3: Cross multiply
   1,231,584x = 2,686,080 × 2,686,080
4. Step 4: Simplify right side
   1,231,584x = 7,215,025,766,400
5. Step 5: Solve for x
   x = 7,215,025,766,400/1,231,584
6. Step 6: Final answer
   x = 5,858,330.22