Finding the Third Proportional to 863,288 and 1,879,837

Step by Step Solution

1. Step 1: Write the proportion equation
   863,288 : 1,879,837 = 1,879,837 : x
2. Step 2: Convert to fraction form
   863,288/1,879,837 = 1,879,837/x
3. Step 3: Cross multiply
   863,288x = 1,879,837 × 1,879,837
4. Step 4: Simplify right side
   863,288x = 3,533,787,146,569
5. Step 5: Solve for x
   x = 3,533,787,146,569/863,288
6. Step 6: Final answer
   x = 4,093,404.69