Finding the Third Proportional to 409,208 and 888,404

Step by Step Solution

1. Step 1: Write the proportion equation
   409,208 : 888,404 = 888,404 : x
2. Step 2: Convert to fraction form
   409,208/888,404 = 888,404/x
3. Step 3: Cross multiply
   409,208x = 888,404 × 888,404
4. Step 4: Simplify right side
   409,208x = 789,261,667,216
5. Step 5: Solve for x
   x = 789,261,667,216/409,208
6. Step 6: Final answer
   x = 1,928,754.25