Finding the Third Proportional to 15,540 and 31,764

Step by Step Solution

1. Step 1: Write the proportion equation
   15,540 : 31,764 = 31,764 : x
2. Step 2: Convert to fraction form
   15,540/31,764 = 31,764/x
3. Step 3: Cross multiply
   15,540x = 31,764 × 31,764
4. Step 4: Simplify right side
   15,540x = 1,008,951,696
5. Step 5: Solve for x
   x = 1,008,951,696/15,540
6. Step 6: Final answer
   x = 64,926.11