Finding the Third Proportional to 859,642 and 1,846,143

Step by Step Solution

1. Step 1: Write the proportion equation
   859,642 : 1,846,143 = 1,846,143 : x
2. Step 2: Convert to fraction form
   859,642/1,846,143 = 1,846,143/x
3. Step 3: Cross multiply
   859,642x = 1,846,143 × 1,846,143
4. Step 4: Simplify right side
   859,642x = 3,408,243,976,449
5. Step 5: Solve for x
   x = 3,408,243,976,449/859,642
6. Step 6: Final answer
   x = 3,964,724.82