Finding the Third Proportional to 862,416 and 1,859,616

Step by Step Solution

1. Step 1: Write the proportion equation
   862,416 : 1,859,616 = 1,859,616 : x
2. Step 2: Convert to fraction form
   862,416/1,859,616 = 1,859,616/x
3. Step 3: Cross multiply
   862,416x = 1,859,616 × 1,859,616
4. Step 4: Simplify right side
   862,416x = 3,458,171,667,456
5. Step 5: Solve for x
   x = 3,458,171,667,456/862,416
6. Step 6: Final answer
   x = 4,009,864.92