Finding the Third Proportional to 10,908 and 16,886.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,908 : 16,886.25 = 16,886.25 : x
2. Step 2: Convert to fraction form
   10,908/16,886.25 = 16,886.25/x
3. Step 3: Cross multiply
   10,908x = 16,886.25 × 16,886.25
4. Step 4: Simplify right side
   10,908x = 285,145,439.06
5. Step 5: Solve for x
   x = 285,145,439.06/10,908
6. Step 6: Final answer
   x = 26,140.95