$$g : \frac { \log _ { 4 } 28 \cdot \log _ { 7 } 28 } { \log _ { 4 } 7 + \log _ { 7 } 4 + 2 }$$
$\frac{\ln(28)^{2}g}{\ln(7)\left(\ln(\ln(28))+\ln(28)-\ln(\ln(7))\right)}$
$\frac{\log_{e} {(28)} ^ {2}}{\log_{e} {(7)} {(\log_{e} {(\log_{e} {(28)})} + \log_{e} {(28)} - \log_{e} {(\log_{e} {(7)})})}} = 1.4744068439650768$
