Finding the Third Proportional to 8,680.50 and 13,208.06

Step by Step Solution

1. Step 1: Write the proportion equation
   8,680.50 : 13,208.06 = 13,208.06 : x
2. Step 2: Convert to fraction form
   8,680.50/13,208.06 = 13,208.06/x
3. Step 3: Cross multiply
   8,680.50x = 13,208.06 × 13,208.06
4. Step 4: Simplify right side
   8,680.50x = 174,452,915.00
5. Step 5: Solve for x
   x = 174,452,915.00/8,680.50
6. Step 6: Final answer
   x = 20,097.10