Complex sentence: The episode earned a Nielsen household rating of 7.2, with a 12 share and was viewed by households, meaning that roughly of all television-equipped households, and of households watching television, were tuned in to the episode.
Split into simpler sentences: The episode earned a Nielsen household rating of 7.2, with a 12 share. It was viewed by households, meaning that roughly of all television-equipped households, and of households watching television, were tuned in to the episode.