Jonny Bairstow and Alex Hales condemn Australia to heaviest defeat after record-smashing 481 for 6.
Already 2-0 down, Australia still retain threat but England on course for series win.
Shaun Marsh scored a magnificent 131 but Australia fell short by 38 in chase of 342.
Spinners Moeen Ali and Adil Rashid shared five wickets and set up three-wicket win against Australia at The Oval on Wednesday.
England captain Eoin Morgan is named in the ODI squads to play Scotland and Australia after breaking his finger.
The highly popular day-night Adelaide Test will be day affair after India refused to play with the pink ball under lights.