Medians are the line segments that divides a side of Triangle into two equal parts, each having equal length. and since triangles have 3 sides, they have 3medians as well.
Your distance(d) is 1,814.4 1814.4 m = 5.6t square then you square root 5.6t the square root eliminates the square you square root 1,814.4 m (I rounded 42.6) then divide 42.6 by 5.6 (I rounded 7.6)