Finding the Third Proportional to 21,848 and 51,360

Step by Step Solution

1. Step 1: Write the proportion equation
   21,848 : 51,360 = 51,360 : x
2. Step 2: Convert to fraction form
   21,848/51,360 = 51,360/x
3. Step 3: Cross multiply
   21,848x = 51,360 × 51,360
4. Step 4: Simplify right side
   21,848x = 2,637,849,600
5. Step 5: Solve for x
   x = 2,637,849,600/21,848
6. Step 6: Final answer
   x = 120,736.43