Finding the Third Proportional to 12,105 and 25,318

Step by Step Solution

1. Step 1: Write the proportion equation
   12,105 : 25,318 = 25,318 : x
2. Step 2: Convert to fraction form
   12,105/25,318 = 25,318/x
3. Step 3: Cross multiply
   12,105x = 25,318 × 25,318
4. Step 4: Simplify right side
   12,105x = 641,001,124
5. Step 5: Solve for x
   x = 641,001,124/12,105
6. Step 6: Final answer
   x = 52,953.42