Finding the Third Proportional to 12,820.50 and 16,755.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,820.50 : 16,755.75 = 16,755.75 : x
2. Step 2: Convert to fraction form
   12,820.50/16,755.75 = 16,755.75/x
3. Step 3: Cross multiply
   12,820.50x = 16,755.75 × 16,755.75
4. Step 4: Simplify right side
   12,820.50x = 280,755,158.06
5. Step 5: Solve for x
   x = 280,755,158.06/12,820.50
6. Step 6: Final answer
   x = 21,898.92