Finding the Third Proportional to 12,851 and 20,366

Step by Step Solution

1. Step 1: Write the proportion equation
   12,851 : 20,366 = 20,366 : x
2. Step 2: Convert to fraction form
   12,851/20,366 = 20,366/x
3. Step 3: Cross multiply
   12,851x = 20,366 × 20,366
4. Step 4: Simplify right side
   12,851x = 414,773,956
5. Step 5: Solve for x
   x = 414,773,956/12,851
6. Step 6: Final answer
   x = 32,275.62