Finding the Third Proportional to 8,672.06 and 17,640.28

Step by Step Solution

1. Step 1: Write the proportion equation
   8,672.06 : 17,640.28 = 17,640.28 : x
2. Step 2: Convert to fraction form
   8,672.06/17,640.28 = 17,640.28/x
3. Step 3: Cross multiply
   8,672.06x = 17,640.28 × 17,640.28
4. Step 4: Simplify right side
   8,672.06x = 311,179,522.58
5. Step 5: Solve for x
   x = 311,179,522.58/8,672.06
6. Step 6: Final answer
   x = 35,882.99