Differential Equations · Superchallenge problem

The IVP $\dfrac{dy}{dx}=\dfrac{2x}{y}$, $y(0)=3$ (take $y>0$) has an exact solution found by separating variables. Euler's method with TWO steps of size $h=1$ also approximates $y(2)$. Find (exact value of $y(2)$) $-$ (Euler's two-step approximation), as an exact expression.