Given the overall formation constant of the `[Fe(CN)_(6)]^(4-)` ion as `10^(35)` and the standard potentials for the half reaction,
`Fe^(3+)+e^(-) hArr Fe^(2+) , E^(@)=0.77 V`
`[Fe(CN)_(6)]^(3-)+e^(-)hArr [Fe(CN)_(6)]^(4-) , E^(@)=0.36 V`
Calculate the overall formation constant of the`[Fe(CN)_(6)]^(3-)` ion.