Say the median is currently 500k, following the rule, we'd have:
2024: 1 million median
2034: 2 million median
2044: 4 million median
2054: 8 million median
2064: 16 million median
2074: 32 million median
2084: 64 million median
2094: 128 million median
2104: 256 million median...