Finding the Third Proportional to 10,170.56 and 14,789.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,170.56 : 14,789.25 = 14,789.25 : x
2. Step 2: Convert to fraction form
   10,170.56/14,789.25 = 14,789.25/x
3. Step 3: Cross multiply
   10,170.56x = 14,789.25 × 14,789.25
4. Step 4: Simplify right side
   10,170.56x = 218,721,915.56
5. Step 5: Solve for x
   x = 218,721,915.56/10,170.56
6. Step 6: Final answer
   x = 21,505.39