Finding the Third Proportional to 10,620.75 and 16,868.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,620.75 : 16,868.63 = 16,868.63 : x
2. Step 2: Convert to fraction form
   10,620.75/16,868.63 = 16,868.63/x
3. Step 3: Cross multiply
   10,620.75x = 16,868.63 × 16,868.63
4. Step 4: Simplify right side
   10,620.75x = 284,550,509.39
5. Step 5: Solve for x
   x = 284,550,509.39/10,620.75
6. Step 6: Final answer
   x = 26,791.94