How do I move things forward?

So basically I've been attracted to this guy. We haven't had a conversation in person but we have recently started to text. I just blurted out that I like him after a few text exchanges. He reacted neutrally or rather graciously to it. But yeah, we are having work related conversations off late. Should I approach him or take it slow? What should my next step be? He knows that I'm interested in him but I really don't know what to do about it.

How do I move things forward?
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