Finding the Third Proportional to 838,985 and 1,258,568

Step by Step Solution

1. Step 1: Write the proportion equation
   838,985 : 1,258,568 = 1,258,568 : x
2. Step 2: Convert to fraction form
   838,985/1,258,568 = 1,258,568/x
3. Step 3: Cross multiply
   838,985x = 1,258,568 × 1,258,568
4. Step 4: Simplify right side
   838,985x = 1,583,993,410,624
5. Step 5: Solve for x
   x = 1,583,993,410,624/838,985
6. Step 6: Final answer
   x = 1,887,987.76