1. **State the problem:** Multiply 584328 by 5. 2. **Formula used:** Multiplication of two numbers is repeated addition. Here, $584328 \times 5$ means adding 584328 five times. 3. **Calculate:** $$584328 \times 5 = 2921640$$ 4. **Explanation:** Multiplying by 5 is the same as multiplying by 10 and then dividing by 2, or simply adding the number five times. 5. **Final answer:** $$584328 \times 5 = 2921640$$