Finding the Third Proportional to 13,296.66 and 20,298.09

Step by Step Solution

1. Step 1: Write the proportion equation
   13,296.66 : 20,298.09 = 20,298.09 : x
2. Step 2: Convert to fraction form
   13,296.66/20,298.09 = 20,298.09/x
3. Step 3: Cross multiply
   13,296.66x = 20,298.09 × 20,298.09
4. Step 4: Simplify right side
   13,296.66x = 412,012,609.88
5. Step 5: Solve for x
   x = 412,012,609.88/13,296.66
6. Step 6: Final answer
   x = 30,986.18