Finding the Third Proportional to 13,015.69 and 20,233.55

Step by Step Solution

1. Step 1: Write the proportion equation
   13,015.69 : 20,233.55 = 20,233.55 : x
2. Step 2: Convert to fraction form
   13,015.69/20,233.55 = 20,233.55/x
3. Step 3: Cross multiply
   13,015.69x = 20,233.55 × 20,233.55
4. Step 4: Simplify right side
   13,015.69x = 409,396,419.14
5. Step 5: Solve for x
   x = 409,396,419.14/13,015.69
6. Step 6: Final answer
   x = 31,454.08