Finding the Third Proportional to 804,578 and 1,108,315

Step by Step Solution

1. Step 1: Write the proportion equation
   804,578 : 1,108,315 = 1,108,315 : x
2. Step 2: Convert to fraction form
   804,578/1,108,315 = 1,108,315/x
3. Step 3: Cross multiply
   804,578x = 1,108,315 × 1,108,315
4. Step 4: Simplify right side
   804,578x = 1,228,362,139,225
5. Step 5: Solve for x
   x = 1,228,362,139,225/804,578
6. Step 6: Final answer
   x = 1,526,716.04