Finding the Third Proportional to 834,204 and 1,821,315

Step by Step Solution

1. Step 1: Write the proportion equation
   834,204 : 1,821,315 = 1,821,315 : x
2. Step 2: Convert to fraction form
   834,204/1,821,315 = 1,821,315/x
3. Step 3: Cross multiply
   834,204x = 1,821,315 × 1,821,315
4. Step 4: Simplify right side
   834,204x = 3,317,188,329,225
5. Step 5: Solve for x
   x = 3,317,188,329,225/834,204
6. Step 6: Final answer
   x = 3,976,471.38