Finding the Third Proportional to 11,389 and 13,477

Step by Step Solution

1. Step 1: Write the proportion equation
   11,389 : 13,477 = 13,477 : x
2. Step 2: Convert to fraction form
   11,389/13,477 = 13,477/x
3. Step 3: Cross multiply
   11,389x = 13,477 × 13,477
4. Step 4: Simplify right side
   11,389x = 181,629,529
5. Step 5: Solve for x
   x = 181,629,529/11,389
6. Step 6: Final answer
   x = 15,947.80