Finding the Third Proportional to 12,963.38 and 16,610.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,963.38 : 16,610.06 = 16,610.06 : x
2. Step 2: Convert to fraction form
   12,963.38/16,610.06 = 16,610.06/x
3. Step 3: Cross multiply
   12,963.38x = 16,610.06 × 16,610.06
4. Step 4: Simplify right side
   12,963.38x = 275,894,176.25
5. Step 5: Solve for x
   x = 275,894,176.25/12,963.38
6. Step 6: Final answer
   x = 21,282.59