Finding the Third Proportional to 20,215.69 and 31,554

Step by Step Solution

1. Step 1: Write the proportion equation
   20,215.69 : 31,554 = 31,554 : x
2. Step 2: Convert to fraction form
   20,215.69/31,554 = 31,554/x
3. Step 3: Cross multiply
   20,215.69x = 31,554 × 31,554
4. Step 4: Simplify right side
   20,215.69x = 995,654,916
5. Step 5: Solve for x
   x = 995,654,916/20,215.69
6. Step 6: Final answer
   x = 49,251.60