Finding the Third Proportional to 12,399 and 27,254

Step by Step Solution

1. Step 1: Write the proportion equation
   12,399 : 27,254 = 27,254 : x
2. Step 2: Convert to fraction form
   12,399/27,254 = 27,254/x
3. Step 3: Cross multiply
   12,399x = 27,254 × 27,254
4. Step 4: Simplify right side
   12,399x = 742,780,516
5. Step 5: Solve for x
   x = 742,780,516/12,399
6. Step 6: Final answer
   x = 59,906.49