Why don't you have your attorney (who will be getting 33% of your settlement) do his job and call the insurance company to figure out why you haven't been paid out yet.
Maybe your attorney has not submitted the proper evidence necessary for your claim, or maybe he hasn't submitted any demand for the other insurance companys policy limits.
This is still a claim, you can't just say "I'm seriously injured, give me your limits" and expect anyone to pay. You need to submit medical documentation that shows your injury is worth the limits and then they will issue payment.
You may also have medical bills and liens outstanding that may delay the settlement. Again please refer to paragraph one!