Finding the Third Proportional to 855,039 and 1,806,630

Step by Step Solution

1. Step 1: Write the proportion equation
   855,039 : 1,806,630 = 1,806,630 : x
2. Step 2: Convert to fraction form
   855,039/1,806,630 = 1,806,630/x
3. Step 3: Cross multiply
   855,039x = 1,806,630 × 1,806,630
4. Step 4: Simplify right side
   855,039x = 3,263,911,956,900
5. Step 5: Solve for x
   x = 3,263,911,956,900/855,039
6. Step 6: Final answer
   x = 3,817,266.76