Finding the Third Proportional to 12,158 and 18,597

Step by Step Solution

1. Step 1: Write the proportion equation
   12,158 : 18,597 = 18,597 : x
2. Step 2: Convert to fraction form
   12,158/18,597 = 18,597/x
3. Step 3: Cross multiply
   12,158x = 18,597 × 18,597
4. Step 4: Simplify right side
   12,158x = 345,848,409
5. Step 5: Solve for x
   x = 345,848,409/12,158
6. Step 6: Final answer
   x = 28,446.16