Finding the Third Proportional to 13,028.34 and 20,396.81

Step by Step Solution

1. Step 1: Write the proportion equation
   13,028.34 : 20,396.81 = 20,396.81 : x
2. Step 2: Convert to fraction form
   13,028.34/20,396.81 = 20,396.81/x
3. Step 3: Cross multiply
   13,028.34x = 20,396.81 × 20,396.81
4. Step 4: Simplify right side
   13,028.34x = 416,029,960.16
5. Step 5: Solve for x
   x = 416,029,960.16/13,028.34
6. Step 6: Final answer
   x = 31,932.68