Finding the Third Proportional to 13,288 and 17,316

Step by Step Solution

1. Step 1: Write the proportion equation
   13,288 : 17,316 = 17,316 : x
2. Step 2: Convert to fraction form
   13,288/17,316 = 17,316/x
3. Step 3: Cross multiply
   13,288x = 17,316 × 17,316
4. Step 4: Simplify right side
   13,288x = 299,843,856
5. Step 5: Solve for x
   x = 299,843,856/13,288
6. Step 6: Final answer
   x = 22,565.01