Finding the Third Proportional to 15,238 and 23,131

Step by Step Solution

1. Step 1: Write the proportion equation
   15,238 : 23,131 = 23,131 : x
2. Step 2: Convert to fraction form
   15,238/23,131 = 23,131/x
3. Step 3: Cross multiply
   15,238x = 23,131 × 23,131
4. Step 4: Simplify right side
   15,238x = 535,043,161
5. Step 5: Solve for x
   x = 535,043,161/15,238
6. Step 6: Final answer
   x = 35,112.43