Finding the Third Proportional to 11,158 and 13,516

Step by Step Solution

1. Step 1: Write the proportion equation
   11,158 : 13,516 = 13,516 : x
2. Step 2: Convert to fraction form
   11,158/13,516 = 13,516/x
3. Step 3: Cross multiply
   11,158x = 13,516 × 13,516
4. Step 4: Simplify right side
   11,158x = 182,682,256
5. Step 5: Solve for x
   x = 182,682,256/11,158
6. Step 6: Final answer
   x = 16,372.31