Finding the Third Proportional to 15,234 and 17,490

Step by Step Solution

1. Step 1: Write the proportion equation
   15,234 : 17,490 = 17,490 : x
2. Step 2: Convert to fraction form
   15,234/17,490 = 17,490/x
3. Step 3: Cross multiply
   15,234x = 17,490 × 17,490
4. Step 4: Simplify right side
   15,234x = 305,900,100
5. Step 5: Solve for x
   x = 305,900,100/15,234
6. Step 6: Final answer
   x = 20,080.09