Finding the Third Proportional to 10,953 and 12,357

Step by Step Solution

1. Step 1: Write the proportion equation
   10,953 : 12,357 = 12,357 : x
2. Step 2: Convert to fraction form
   10,953/12,357 = 12,357/x
3. Step 3: Cross multiply
   10,953x = 12,357 × 12,357
4. Step 4: Simplify right side
   10,953x = 152,695,449
5. Step 5: Solve for x
   x = 152,695,449/10,953
6. Step 6: Final answer
   x = 13,940.97