Finding the Third Proportional to 804,821 and 1,675,756

Step by Step Solution

1. Step 1: Write the proportion equation
   804,821 : 1,675,756 = 1,675,756 : x
2. Step 2: Convert to fraction form
   804,821/1,675,756 = 1,675,756/x
3. Step 3: Cross multiply
   804,821x = 1,675,756 × 1,675,756
4. Step 4: Simplify right side
   804,821x = 2,808,158,171,536
5. Step 5: Solve for x
   x = 2,808,158,171,536/804,821
6. Step 6: Final answer
   x = 3,489,171.10