Finding the Third Proportional to 859,462 and 1,821,373.50

Step by Step Solution

1. Step 1: Write the proportion equation
   859,462 : 1,821,373.50 = 1,821,373.50 : x
2. Step 2: Convert to fraction form
   859,462/1,821,373.50 = 1,821,373.50/x
3. Step 3: Cross multiply
   859,462x = 1,821,373.50 × 1,821,373.50
4. Step 4: Simplify right side
   859,462x = 3,317,401,426,502.25
5. Step 5: Solve for x
   x = 3,317,401,426,502.25/859,462
6. Step 6: Final answer
   x = 3,859,858.17