Finding the Third Proportional to 10,704.94 and 15,215.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,704.94 : 15,215.06 = 15,215.06 : x
2. Step 2: Convert to fraction form
   10,704.94/15,215.06 = 15,215.06/x
3. Step 3: Cross multiply
   10,704.94x = 15,215.06 × 15,215.06
4. Step 4: Simplify right side
   10,704.94x = 231,498,126.88
5. Step 5: Solve for x
   x = 231,498,126.88/10,704.94
6. Step 6: Final answer
   x = 21,625.36