Finding the Third Proportional to 13,004.30 and 20,144.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,004.30 : 20,144.32 = 20,144.32 : x
2. Step 2: Convert to fraction form
   13,004.30/20,144.32 = 20,144.32/x
3. Step 3: Cross multiply
   13,004.30x = 20,144.32 × 20,144.32
4. Step 4: Simplify right side
   13,004.30x = 405,793,640.85
5. Step 5: Solve for x
   x = 405,793,640.85/13,004.30
6. Step 6: Final answer
   x = 31,204.58