Finding the Third Proportional to 10,902 and 17,272

Step by Step Solution

1. Step 1: Write the proportion equation
   10,902 : 17,272 = 17,272 : x
2. Step 2: Convert to fraction form
   10,902/17,272 = 17,272/x
3. Step 3: Cross multiply
   10,902x = 17,272 × 17,272
4. Step 4: Simplify right side
   10,902x = 298,321,984
5. Step 5: Solve for x
   x = 298,321,984/10,902
6. Step 6: Final answer
   x = 27,363.97