Finding the Third Proportional to 834,198 and 1,821,306

Step by Step Solution

1. Step 1: Write the proportion equation
   834,198 : 1,821,306 = 1,821,306 : x
2. Step 2: Convert to fraction form
   834,198/1,821,306 = 1,821,306/x
3. Step 3: Cross multiply
   834,198x = 1,821,306 × 1,821,306
4. Step 4: Simplify right side
   834,198x = 3,317,155,545,636
5. Step 5: Solve for x
   x = 3,317,155,545,636/834,198
6. Step 6: Final answer
   x = 3,976,460.68