Third conditional - future from the past

Hi,
Is the underlined part a future from the past? I think we can express the future as a third conditional like "If I had money tomorrow, I would go to a trip tomorrow." Is it that you can use the third conditional in a psst context and still what you have is a third conditional?

He knew that the gospel was powerful enough that if the seed of the gospel of the kingdom got placed inside by someone, it would transform society adn laws would be changed ...