Break 300 into 100 × 3, then divide step by step.<br><br>
&bull; 91.2 ÷ 300 = 91.2 ÷ (100 × 3) = 91.2 ÷ 100 ÷ 3<br>
&bull; 91.2 ÷ 100 = 0.912<br>
&bull; 0.912 ÷ 3 = 0.304<br><br>
Final Answer: First blank = 91.2, second blank = 100, third blank = 0.304