Alaska

Gidday,
My mother just returned from Alaska last month with this shot taken from her Canon A70.
I have PP the image and cropped it to 68 x 35 cm @ 200 DPI.
But I'm a little concerned about making a jpg file of 29 x 21 cm @ 180 DPI into a larger panorama to print.
What is the best way of cropping the photo to increase the image size for printing?
Cheers
My mother just returned from Alaska last month with this shot taken from her Canon A70.
I have PP the image and cropped it to 68 x 35 cm @ 200 DPI.

But I'm a little concerned about making a jpg file of 29 x 21 cm @ 180 DPI into a larger panorama to print.
What is the best way of cropping the photo to increase the image size for printing?
Cheers