v₂/v₁=2/3=>v₁=3v₂/2
v₁+v₂=3v₂/2+v₂=5v₂/2
x₁=v₁t
x₁=Δx-v₂t
x₁=x₂=>v₁t=Δx-v₂t<=>t(v₁+v₂)=Δx=>t=Δx/(v₁+v₂)=360/5v₂/2=144/v₂
x₁=v₁*144/v₂=3*144/2=216 km
x₂=v₂*144/v₂=144 km