Great Western Financial Corp. announced that it...

Great Western Financial Corp. announced that it has reached a definitive agreement for the acquisition of Southern Home Savings Bank by Great Western Bank. The total value of the transaction will be about $28.4 million . . . Mellon Bank Corp. of Pittsburgh said it is seeking a buyer for its profitable commercial and consumer finance company. The unit, Mellon Financial Services Corp. of Oak Brook, Ill., has assets of about $555 million . . . Shareholders of British Petroleum voted to approve the acquisition of the minority interest in Standard Oil.