Finding the Third Proportional to 8,361 and 12,953.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,361 : 12,953.25 = 12,953.25 : x
2. Step 2: Convert to fraction form
   8,361/12,953.25 = 12,953.25/x
3. Step 3: Cross multiply
   8,361x = 12,953.25 × 12,953.25
4. Step 4: Simplify right side
   8,361x = 167,786,685.56
5. Step 5: Solve for x
   x = 167,786,685.56/8,361
6. Step 6: Final answer
   x = 20,067.78