Finding the Third Proportional to 6,158 and 13,191

Step by Step Solution

1. Step 1: Write the proportion equation
   6,158 : 13,191 = 13,191 : x
2. Step 2: Convert to fraction form
   6,158/13,191 = 13,191/x
3. Step 3: Cross multiply
   6,158x = 13,191 × 13,191
4. Step 4: Simplify right side
   6,158x = 174,002,481
5. Step 5: Solve for x
   x = 174,002,481/6,158
6. Step 6: Final answer
   x = 28,256.33