Finding the Third Proportional to 799.69 and 1,671.38

Step by Step Solution

1. Step 1: Write the proportion equation
   799.69 : 1,671.38 = 1,671.38 : x
2. Step 2: Convert to fraction form
   799.69/1,671.38 = 1,671.38/x
3. Step 3: Cross multiply
   799.69x = 1,671.38 × 1,671.38
4. Step 4: Simplify right side
   799.69x = 2,793,494.39
5. Step 5: Solve for x
   x = 2,793,494.39/799.69
6. Step 6: Final answer
   x = 3,493.23