BEGIN {Blank = "^[ \t]+$"; FS=":"; OFS=" : "}
{gsub(/,/,"")}
 $1  !~ Blank { one = $1}
 $2 !~ Blank { two = $2}
 $1 ~ Blank { $1 = one }
 $2 ~ Blank { $2 = one }
$NF > 54.78 && $(NF-1) > 999 { print $NF,$(NF-1), $0}