Finding the Third Proportional to 859,462 and 1,821,373

Step by Step Solution

1. Step 1: Write the proportion equation
   859,462 : 1,821,373 = 1,821,373 : x
2. Step 2: Convert to fraction form
   859,462/1,821,373 = 1,821,373/x
3. Step 3: Cross multiply
   859,462x = 1,821,373 × 1,821,373
4. Step 4: Simplify right side
   859,462x = 3,317,399,605,129
5. Step 5: Solve for x
   x = 3,317,399,605,129/859,462
6. Step 6: Final answer
   x = 3,859,856.06