Finding the Third Proportional to 8,139.75 and 16,766.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,139.75 : 16,766.25 = 16,766.25 : x
2. Step 2: Convert to fraction form
   8,139.75/16,766.25 = 16,766.25/x
3. Step 3: Cross multiply
   8,139.75x = 16,766.25 × 16,766.25
4. Step 4: Simplify right side
   8,139.75x = 281,107,139.06
5. Step 5: Solve for x
   x = 281,107,139.06/8,139.75
6. Step 6: Final answer
   x = 34,535.11