Properly
Well
adverb
If the extent you go to do something is properly (よく) done, then you did it properly and well!
Since this word consists of a kanji with hiragana attached, you can bet that it will use the kun'yomi reading. You learned this reading already! Nice!
ひき肉を程よくこねます。
Mix the ground meat well.
料理に塩を程よく加えると、味が引き立ちます。
Adding just the right amount of salt enhances the flavor of a dish.
程よく手を抜くことも、仕事を長く続けるコツだよ。
Properly cutting corners is the key to working long-term.
健康のためには、程よく運動を続けることが大切です。
For your health, it's important to exercise moderately.