Finding the Third Proportional to 10,557 and 12,477

Step by Step Solution

1. Step 1: Write the proportion equation
   10,557 : 12,477 = 12,477 : x
2. Step 2: Convert to fraction form
   10,557/12,477 = 12,477/x
3. Step 3: Cross multiply
   10,557x = 12,477 × 12,477
4. Step 4: Simplify right side
   10,557x = 155,675,529
5. Step 5: Solve for x
   x = 155,675,529/10,557
6. Step 6: Final answer
   x = 14,746.19