Finding the Third Proportional to 13,141.13 and 20,404.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,141.13 : 20,404.69 = 20,404.69 : x
2. Step 2: Convert to fraction form
   13,141.13/20,404.69 = 20,404.69/x
3. Step 3: Cross multiply
   13,141.13x = 20,404.69 × 20,404.69
4. Step 4: Simplify right side
   13,141.13x = 416,351,271.97
5. Step 5: Solve for x
   x = 416,351,271.97/13,141.13
6. Step 6: Final answer
   x = 31,683.08