Finding the Third Proportional to 12,156 and 25,628

Step by Step Solution

1. Step 1: Write the proportion equation
   12,156 : 25,628 = 25,628 : x
2. Step 2: Convert to fraction form
   12,156/25,628 = 25,628/x
3. Step 3: Cross multiply
   12,156x = 25,628 × 25,628
4. Step 4: Simplify right side
   12,156x = 656,794,384
5. Step 5: Solve for x
   x = 656,794,384/12,156
6. Step 6: Final answer
   x = 54,030.47