Finding the Third Proportional to 16,139 and 25,613

Step by Step Solution

1. Step 1: Write the proportion equation
   16,139 : 25,613 = 25,613 : x
2. Step 2: Convert to fraction form
   16,139/25,613 = 25,613/x
3. Step 3: Cross multiply
   16,139x = 25,613 × 25,613
4. Step 4: Simplify right side
   16,139x = 656,025,769
5. Step 5: Solve for x
   x = 656,025,769/16,139
6. Step 6: Final answer
   x = 40,648.48