Goldcorp (NYSE: GG) is set to release its third-quarter earnings on Oct. 26. Are you finding yourself interested but equally worried about drowning in a flood of facts and figures? It's not uncommon during earnings season. Let's prepare by keying in on three things we can expect management to address in its report.Image source: Getty Images.Although Goldcorp reported lower than expected gold production in the second quarter, primarily because of a 10-day maintenance shutdown at its Penasquito mine, management reaffirmed guidance for the year: 2.8 million to 3.1 million ounces.