Finding the Third Proportional to 11,065.25 and 16,920.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,065.25 : 16,920.50 = 16,920.50 : x
2. Step 2: Convert to fraction form
   11,065.25/16,920.50 = 16,920.50/x
3. Step 3: Cross multiply
   11,065.25x = 16,920.50 × 16,920.50
4. Step 4: Simplify right side
   11,065.25x = 286,303,320.25
5. Step 5: Solve for x
   x = 286,303,320.25/11,065.25
6. Step 6: Final answer
   x = 25,874.09