How to buy ergo with ADA?

Could you please elaborate on the process for purchasing Ergo (ERG) using Ada (ADA)? I'm particularly interested in the steps involved and any specific platforms or exchanges that support this transaction. Are there any prerequisites or account setups required? Additionally, what are the typical transaction fees and timeframes involved in such a purchase? I'd appreciate a detailed breakdown of the process to ensure a smooth and secure transaction. Thank you for your assistance in navigating this cryptocurrency exchange.