Finding the Third Proportional to 12,152 and 18,508

Step by Step Solution

1. Step 1: Write the proportion equation
   12,152 : 18,508 = 18,508 : x
2. Step 2: Convert to fraction form
   12,152/18,508 = 18,508/x
3. Step 3: Cross multiply
   12,152x = 18,508 × 18,508
4. Step 4: Simplify right side
   12,152x = 342,546,064
5. Step 5: Solve for x
   x = 342,546,064/12,152
6. Step 6: Final answer
   x = 28,188.45