Finding the Third Proportional to 10,357.88 and 15,018.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,357.88 : 15,018.75 = 15,018.75 : x
2. Step 2: Convert to fraction form
   10,357.88/15,018.75 = 15,018.75/x
3. Step 3: Cross multiply
   10,357.88x = 15,018.75 × 15,018.75
4. Step 4: Simplify right side
   10,357.88x = 225,562,851.56
5. Step 5: Solve for x
   x = 225,562,851.56/10,357.88
6. Step 6: Final answer
   x = 21,776.94