Finding the Third Proportional to 15,306 and 17,610

Step by Step Solution

1. Step 1: Write the proportion equation
   15,306 : 17,610 = 17,610 : x
2. Step 2: Convert to fraction form
   15,306/17,610 = 17,610/x
3. Step 3: Cross multiply
   15,306x = 17,610 × 17,610
4. Step 4: Simplify right side
   15,306x = 310,112,100
5. Step 5: Solve for x
   x = 310,112,100/15,306
6. Step 6: Final answer
   x = 20,260.82