Finding the Third Proportional to 10,909.13 and 16,788.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,909.13 : 16,788.94 = 16,788.94 : x
2. Step 2: Convert to fraction form
   10,909.13/16,788.94 = 16,788.94/x
3. Step 3: Cross multiply
   10,909.13x = 16,788.94 × 16,788.94
4. Step 4: Simplify right side
   10,909.13x = 281,868,422.38
5. Step 5: Solve for x
   x = 281,868,422.38/10,909.13
6. Step 6: Final answer
   x = 25,837.86