Finding the Third Proportional to 10,806 and 16,888.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,806 : 16,888.50 = 16,888.50 : x
2. Step 2: Convert to fraction form
   10,806/16,888.50 = 16,888.50/x
3. Step 3: Cross multiply
   10,806x = 16,888.50 × 16,888.50
4. Step 4: Simplify right side
   10,806x = 285,221,432.25
5. Step 5: Solve for x
   x = 285,221,432.25/10,806
6. Step 6: Final answer
   x = 26,394.73