Finding the Third Proportional to 15,018.75 and 21,753.56

Step by Step Solution

1. Step 1: Write the proportion equation
   15,018.75 : 21,753.56 = 21,753.56 : x
2. Step 2: Convert to fraction form
   15,018.75/21,753.56 = 21,753.56/x
3. Step 3: Cross multiply
   15,018.75x = 21,753.56 × 21,753.56
4. Step 4: Simplify right side
   15,018.75x = 473,217,481.44
5. Step 5: Solve for x
   x = 473,217,481.44/15,018.75
6. Step 6: Final answer
   x = 31,508.45