Samantha is working on a mathematical problem involving quadratic equations. She knows that the standard form of a quadratic equation is given by:
$$ ax^2 + bx + c = 0 $$
For her equation, the coefficients are $a = 1$, $b = -5$, and $c = 6$. She is asked to find the positive root of the equation. Please calculate the positive value of $x$ where the equation holds true.