How did Christ, being the Son of God, become man?

Christ, the Son of God, became man, by taking to himself a true body and a reasonable soul being conceived by the power of the Holy Ghost, in the womb of the virgin Mary, and born of her yet without sin.

Proofs

• Christ, the Son of God, became man, by taking to himself a true body (Hebrews 2:14; Hebrews 2:16; Hebrews 10:5)
• and a reasonable soul (Matthew 26:38)
• being conceived by the power of the Holy Ghost, in the womb of the virgin Mary, and born of her (Luke 1:27; Luke 1:31; Luke 1:35; Luke 1:42; Galatians 4:4)
• yet without sin. (Hebrews 4:15; Hebrews 7:26)