Excel Double VLOOKUP Implementation

I need assistance implementing a double VLOOKUP in Excel for data extraction purposes. The data being extracted is numeric.

Requirements:
- Proficiency in Excel, particularly with VLOOKUP and double VLOOKUP functions.
- Experience in data extraction and handling numeric data.
- Ability to provide clear instructions or documentation for ongoing use.

Ideal Skills:
- Advanced Excel skills
- Data manipulation expertise
- Strong analytical skills