Finding the Third Proportional to 12,280 and 17,300

Step by Step Solution

1. Step 1: Write the proportion equation
   12,280 : 17,300 = 17,300 : x
2. Step 2: Convert to fraction form
   12,280/17,300 = 17,300/x
3. Step 3: Cross multiply
   12,280x = 17,300 × 17,300
4. Step 4: Simplify right side
   12,280x = 299,290,000
5. Step 5: Solve for x
   x = 299,290,000/12,280
6. Step 6: Final answer
   x = 24,372.15