I'll take your word for it Foxtears but you should point out that it is an approximation.
If you use the Math(Input=Result) button above to access the site calc it would be much easier for people to check your anwer.
Like this.
$${\sqrt{{\mathtt{128\,745}}}} = {\mathtt{358.810\: \!534\: \!962\: \!394\: \!882}}$$