Finding the Third Proportional to 7,131 and 10,913

Step by Step Solution

1. Step 1: Write the proportion equation
   7,131 : 10,913 = 10,913 : x
2. Step 2: Convert to fraction form
   7,131/10,913 = 10,913/x
3. Step 3: Cross multiply
   7,131x = 10,913 × 10,913
4. Step 4: Simplify right side
   7,131x = 119,093,569
5. Step 5: Solve for x
   x = 119,093,569/7,131
6. Step 6: Final answer
   x = 16,700.82