Answer :

Well, let me explain you like this: he must be having at least 51% to have majority. So we can do the next caluclations
51% f 1,200,000= 0.51*1,200,000
When you do them you get to see that there are 612,000 shares
Hope this helps
You need 50% + 1 share to have the majority, so in this case you'd need 600,001 shares and you'd have the majority of the shares, because there are only 599,999 shares left to other shareholders.