Squid configuration

[whitenoise]

I have configured my linux server to become a proxy server for my small network. My server must use another proxy to exit to internet.
How can I configurte SQUID to use the external proxy to go out?

Now, if I use konqueror on a client he told me that he can't resolve address for (example!) www.gentoo.org
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Gentoo Linux running on TyanMPX, 2* 1600+ AthlonMP, 4*256 Mb Crucial Registered DDR, Adaptec 29160, 2*18GB Fujitsu SCSI 10krpm, Nvidia geforce, SB Live!, 3com905TX, Zyxel 645R.

[leej]

I haven't used Squid for a long time but the docs reveal you have to do something like this in your squid.conf: