You're misremembering. The speed of light in miles per second is ~186,282.396. The speed of light in meters per second is 299,792,458, but the meter is defined

You're misremembering. The speed of light in miles per second is ~186,282.396. The speed of light in meters per second is 299,792,458, but the meter is defined using the speed of light: https://en.wikipedia.org/wiki/Speed_of_light https://en.wikipedia.org/wiki/Speed_of_light