Finding the Third Proportional to 11,056 and 17,120

Step by Step Solution

1. Step 1: Write the proportion equation
   11,056 : 17,120 = 17,120 : x
2. Step 2: Convert to fraction form
   11,056/17,120 = 17,120/x
3. Step 3: Cross multiply
   11,056x = 17,120 × 17,120
4. Step 4: Simplify right side
   11,056x = 293,094,400
5. Step 5: Solve for x
   x = 293,094,400/11,056
6. Step 6: Final answer
   x = 26,509.99