The conjunction 进而 indicates a sequence of related actions and events that go "next".
进而 is often placed at the beginning of the last part of a complex sentence. It also can be placed in the middle of a sentence.
Examples
遇到困难不要回避,挺起身来向它挑战,进而战胜它
Do not run from difficulties. Challenge them and then overcome them
yùdào kùnnàn bú yào huíbì, tǐng qǐshēn lái xiàng tā tiǎozhàn, jìn'ér zhànshèng tā
化学污染将威胁农业和食物链,进而危害人类健康
The chemical pollution will threaten agriculture and the food chain, endagering human health