Finding the Third Proportional to 12,158 and 17,841.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,158 : 17,841.50 = 17,841.50 : x
2. Step 2: Convert to fraction form
   12,158/17,841.50 = 17,841.50/x
3. Step 3: Cross multiply
   12,158x = 17,841.50 × 17,841.50
4. Step 4: Simplify right side
   12,158x = 318,319,122.25
5. Step 5: Solve for x
   x = 318,319,122.25/12,158
6. Step 6: Final answer
   x = 26,181.87