Finding the Third Proportional to 13,270.50 and 20,590.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,270.50 : 20,590.88 = 20,590.88 : x
2. Step 2: Convert to fraction form
   13,270.50/20,590.88 = 20,590.88/x
3. Step 3: Cross multiply
   13,270.50x = 20,590.88 × 20,590.88
4. Step 4: Simplify right side
   13,270.50x = 423,984,133.27
5. Step 5: Solve for x
   x = 423,984,133.27/13,270.50
6. Step 6: Final answer
   x = 31,949.37