Problem $11-11$ Calculating Portfolio Betas

You own a portfolio equally invested in a risk$-$free asset and two stocks. If one of the stocks has a beta of $1\mathrm{.}17$ and the total portfolio is equally as risky as the market, what must the beta be for the other stock in your portfolio? $($Do not round intermediate calculations and round your answer to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$

Stock beta