Finding the Third Proportional to 15,542 and 17,774

Step by Step Solution

1. Step 1: Write the proportion equation
   15,542 : 17,774 = 17,774 : x
2. Step 2: Convert to fraction form
   15,542/17,774 = 17,774/x
3. Step 3: Cross multiply
   15,542x = 17,774 × 17,774
4. Step 4: Simplify right side
   15,542x = 315,915,076
5. Step 5: Solve for x
   x = 315,915,076/15,542
6. Step 6: Final answer
   x = 20,326.54