Finding the Third Proportional to 581,012 and 1,258,536

Step by Step Solution

1. Step 1: Write the proportion equation
   581,012 : 1,258,536 = 1,258,536 : x
2. Step 2: Convert to fraction form
   581,012/1,258,536 = 1,258,536/x
3. Step 3: Cross multiply
   581,012x = 1,258,536 × 1,258,536
4. Step 4: Simplify right side
   581,012x = 1,583,912,863,296
5. Step 5: Solve for x
   x = 1,583,912,863,296/581,012
6. Step 6: Final answer
   x = 2,726,127.62