Finding the Third Proportional to 10,906.31 and 17,297.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,906.31 : 17,297.72 = 17,297.72 : x
2. Step 2: Convert to fraction form
   10,906.31/17,297.72 = 17,297.72/x
3. Step 3: Cross multiply
   10,906.31x = 17,297.72 × 17,297.72
4. Step 4: Simplify right side
   10,906.31x = 299,211,073.95
5. Step 5: Solve for x
   x = 299,211,073.95/10,906.31
6. Step 6: Final answer
   x = 27,434.67