Finding the Third Proportional to 1,335.38 and 1,879.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,335.38 : 1,879.88 = 1,879.88 : x
2. Step 2: Convert to fraction form
   1,335.38/1,879.88 = 1,879.88/x
3. Step 3: Cross multiply
   1,335.38x = 1,879.88 × 1,879.88
4. Step 4: Simplify right side
   1,335.38x = 3,533,930.02
5. Step 5: Solve for x
   x = 3,533,930.02/1,335.38
6. Step 6: Final answer
   x = 2,646.40