Finding the Third Proportional to 10,856.53 and 17,204.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,856.53 : 17,204.91 = 17,204.91 : x
2. Step 2: Convert to fraction form
   10,856.53/17,204.91 = 17,204.91/x
3. Step 3: Cross multiply
   10,856.53x = 17,204.91 × 17,204.91
4. Step 4: Simplify right side
   10,856.53x = 296,008,799.07
5. Step 5: Solve for x
   x = 296,008,799.07/10,856.53
6. Step 6: Final answer
   x = 27,265.50