Maximum of three numbers

/*gowrikausalya.blogspot.com*/
/*c-program to FIND MAXIMUM OF THREE NUMBERS USING(IF) STATEMENT*/

#include<stdio.h>
#include<conio.h>
int main()
{
 float a, b, c, max;
 printf("Enter three numbers : \n");
 scanf("%f %f %f",&a,&b,&c);
 max=a;
 if(b>max)
          max=b;
 if(c>max)
          max=c;
 printf("Largest of three numbers is\t%f",max);
 getch();
 }

The program displays the following output:-

Enter three numbers :
1000 3588 2586
Largest of three numbers is     3588.000000

output screen view:-