Finding the Third Proportional to 12,020 and 17,590

Step by Step Solution

1. Step 1: Write the proportion equation
   12,020 : 17,590 = 17,590 : x
2. Step 2: Convert to fraction form
   12,020/17,590 = 17,590/x
3. Step 3: Cross multiply
   12,020x = 17,590 × 17,590
4. Step 4: Simplify right side
   12,020x = 309,408,100
5. Step 5: Solve for x
   x = 309,408,100/12,020
6. Step 6: Final answer
   x = 25,741.11