Medians And Areas

Geometry Level 3

Let $ABC$ be a triangle with the centroid $G$ and medians $AM, BN, CP$ . Let $Q$ be a point on $AG$ such that $AQ=GQ$ . Define $R,S$ as the midpoints of $BG,CG$ respectively. If $S(\triangle ABC)=x\cdot S(PQNSMR)$ , what is value of $x$ ?