Finding the Third Proportional to 9,149 and 12,263

Step by Step Solution

1. Step 1: Write the proportion equation
   9,149 : 12,263 = 12,263 : x
2. Step 2: Convert to fraction form
   9,149/12,263 = 12,263/x
3. Step 3: Cross multiply
   9,149x = 12,263 × 12,263
4. Step 4: Simplify right side
   9,149x = 150,381,169
5. Step 5: Solve for x
   x = 150,381,169/9,149
6. Step 6: Final answer
   x = 16,436.90