title: If two cells match return third
body: <p>Struggling with the following</p>
  
  <p>Sheet 1 column A - a List of SKU's
  Sheet 2 column D - a list of the same SKU's
  Sheet 1 column D - a list of associated barcodes</p>
  
  <p>The SKU's in Sheet 1 and Sheet 2 are in different orders and some are missing from Sheet 1, that are present in sheet 2.</p>
  
  <p>For the life of me I can't find a formula that will search sheet 1 column A, find it and match it in sheet 2 column D and retrieve the associated barcode in sheet 1 column D and show it in sheet 2 column G</p>