In what year is the us determined to have at least 50% spanish spoken

People are saying by 2050, it will happen. There are already 41 million Spanish speakers in the U.S. 321.4 Million Beings in the U.S itself. So, if you do the math, we have 12.76% of the U.S population being Spanish speakers. By the rates, I don't think its gonna happen by 2050, so maybe around 2075 - 2100 (Unless there is a serious exponential growth.