Finding the Third Proportional to 12,908 and 18,826

Step by Step Solution

1. Step 1: Write the proportion equation
   12,908 : 18,826 = 18,826 : x
2. Step 2: Convert to fraction form
   12,908/18,826 = 18,826/x
3. Step 3: Cross multiply
   12,908x = 18,826 × 18,826
4. Step 4: Simplify right side
   12,908x = 354,418,276
5. Step 5: Solve for x
   x = 354,418,276/12,908
6. Step 6: Final answer
   x = 27,457.26