~
Your answer will be is :


Hope It Helps !
#LearnWithBrainly
Be safe ~
And, also Happy The New Year !

~
Answer:
18
Step-by-step explanation:
18=2×3×3
54=2×3×3×3
gcd=2×3×3=18
solution
Mean of two smallest number (3+5 =8/2) =4
Mean of all the three (3+5+19 =27) 27/3 = 9
so the mean of two largest number is 19+5 = 24 /2 = 12
Final Answer
The mean of two largest Number is 12