Finding the Third Proportional to 581,078 and 1,258,670

Step by Step Solution

1. Step 1: Write the proportion equation
   581,078 : 1,258,670 = 1,258,670 : x
2. Step 2: Convert to fraction form
   581,078/1,258,670 = 1,258,670/x
3. Step 3: Cross multiply
   581,078x = 1,258,670 × 1,258,670
4. Step 4: Simplify right side
   581,078x = 1,584,250,168,900
5. Step 5: Solve for x
   x = 1,584,250,168,900/581,078
6. Step 6: Final answer
   x = 2,726,398.47