Finding the Third Proportional to 804,104 and 1,690,864

Step by Step Solution

1. Step 1: Write the proportion equation
   804,104 : 1,690,864 = 1,690,864 : x
2. Step 2: Convert to fraction form
   804,104/1,690,864 = 1,690,864/x
3. Step 3: Cross multiply
   804,104x = 1,690,864 × 1,690,864
4. Step 4: Simplify right side
   804,104x = 2,859,021,066,496
5. Step 5: Solve for x
   x = 2,859,021,066,496/804,104
6. Step 6: Final answer
   x = 3,555,536.43