\documentclass[12pt]{article}
\usepackage{epsfig}
\begin{document}
\setcounter{figure}{2}
\begin{figure}
\begin{picture}(600,200)(100,0)
\put(0,0){\epsfig{file=fig1.eps,width=9.0cm} }
\put(250,-10){\epsfig{file=fig2.eps,width=9.0cm} }
\end{picture}
\end{figure}
\end{document}
