How can i hook my 360 to inter net without wireless network adapter?

please help me i need to know how to do it with a lap top and any other wayHow can i hook my 360 to inter net without wireless network adapter?get a blue ethernet cord, i have one thats about 75ft long and runs from my basement to my internet router upstairs, theres the plug on the top back of the xboxHow can i hook my 360 to inter net without wireless network adapter?http://www.gameyeeeah.com/xbox-360-wirel鈥?/a>