Finding the Third Proportional to 1,879.88 and 2,672.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,879.88 : 2,672.16 = 2,672.16 : x
2. Step 2: Convert to fraction form
   1,879.88/2,672.16 = 2,672.16/x
3. Step 3: Cross multiply
   1,879.88x = 2,672.16 × 2,672.16
4. Step 4: Simplify right side
   1,879.88x = 7,140,419.02
5. Step 5: Solve for x
   x = 7,140,419.02/1,879.88
6. Step 6: Final answer
   x = 3,798.35