Finding the Third Proportional to 8,275.88 and 12,822.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,275.88 : 12,822.56 = 12,822.56 : x
2. Step 2: Convert to fraction form
   8,275.88/12,822.56 = 12,822.56/x
3. Step 3: Cross multiply
   8,275.88x = 12,822.56 × 12,822.56
4. Step 4: Simplify right side
   8,275.88x = 164,418,109.07
5. Step 5: Solve for x
   x = 164,418,109.07/8,275.88
6. Step 6: Final answer
   x = 19,867.16