Finding the Third Proportional to 2,188.27 and 4,179.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.27 : 4,179.09 = 4,179.09 : x
2. Step 2: Convert to fraction form
   2,188.27/4,179.09 = 4,179.09/x
3. Step 3: Cross multiply
   2,188.27x = 4,179.09 × 4,179.09
4. Step 4: Simplify right side
   2,188.27x = 17,464,824.57
5. Step 5: Solve for x
   x = 17,464,824.57/2,188.27
6. Step 6: Final answer
   x = 7,981.13