Finding the Third Proportional to 12,105 and 25,850

Step by Step Solution

1. Step 1: Write the proportion equation
   12,105 : 25,850 = 25,850 : x
2. Step 2: Convert to fraction form
   12,105/25,850 = 25,850/x
3. Step 3: Cross multiply
   12,105x = 25,850 × 25,850
4. Step 4: Simplify right side
   12,105x = 668,222,500
5. Step 5: Solve for x
   x = 668,222,500/12,105
6. Step 6: Final answer
   x = 55,202.19