$71.9 \times 100=$

Step 1 ：The question is asking for the product of 71.9 and 100. This is a simple multiplication problem. We can solve this by multiplying 71.9 by 100.

Step 2 ：The result of the multiplication is 7190.000000000001. However, this is a floating point precision issue. The actual mathematical result should be 7190.

Step 3 ：Final Answer: \(\boxed{7190}\)