Finding the Third Proportional to 10,872 and 23,415

Step by Step Solution

1. Step 1: Write the proportion equation
   10,872 : 23,415 = 23,415 : x
2. Step 2: Convert to fraction form
   10,872/23,415 = 23,415/x
3. Step 3: Cross multiply
   10,872x = 23,415 × 23,415
4. Step 4: Simplify right side
   10,872x = 548,262,225
5. Step 5: Solve for x
   x = 548,262,225/10,872
6. Step 6: Final answer
   x = 50,428.83