Finding the Third Proportional to 2,155 and 4,797.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155 : 4,797.25 = 4,797.25 : x
2. Step 2: Convert to fraction form
   2,155/4,797.25 = 4,797.25/x
3. Step 3: Cross multiply
   2,155x = 4,797.25 × 4,797.25
4. Step 4: Simplify right side
   2,155x = 23,013,607.56
5. Step 5: Solve for x
   x = 23,013,607.56/2,155
6. Step 6: Final answer
   x = 10,679.17