Finding the Third Proportional to 823,658 and 1,804,780

Step by Step Solution

1. Step 1: Write the proportion equation
   823,658 : 1,804,780 = 1,804,780 : x
2. Step 2: Convert to fraction form
   823,658/1,804,780 = 1,804,780/x
3. Step 3: Cross multiply
   823,658x = 1,804,780 × 1,804,780
4. Step 4: Simplify right side
   823,658x = 3,257,230,848,400
5. Step 5: Solve for x
   x = 3,257,230,848,400/823,658
6. Step 6: Final answer
   x = 3,954,591.41