Finding the Third Proportional to 12,389 and 27,238

Step by Step Solution

1. Step 1: Write the proportion equation
   12,389 : 27,238 = 27,238 : x
2. Step 2: Convert to fraction form
   12,389/27,238 = 27,238/x
3. Step 3: Cross multiply
   12,389x = 27,238 × 27,238
4. Step 4: Simplify right side
   12,389x = 741,908,644
5. Step 5: Solve for x
   x = 741,908,644/12,389
6. Step 6: Final answer
   x = 59,884.47