Finding the Third Proportional to 8,753 and 13,516

Step by Step Solution

1. Step 1: Write the proportion equation
   8,753 : 13,516 = 13,516 : x
2. Step 2: Convert to fraction form
   8,753/13,516 = 13,516/x
3. Step 3: Cross multiply
   8,753x = 13,516 × 13,516
4. Step 4: Simplify right side
   8,753x = 182,682,256
5. Step 5: Solve for x
   x = 182,682,256/8,753
6. Step 6: Final answer
   x = 20,870.82