The ([square root of phi] divided by [phi squared]) multiplied by ([the square root of phi] multiplied by [phi squared]) equals phi.

Phi squared =
  2.61803399

Square root of phi =
  1.27201965

1.27201965 divided by 2.61803399 =
0.485868272

1.27201965 x 2.61803399 =
3.33019068

0.485868272 x 3.33019068 =
1.61803399

Phi.