Finding the Third Proportional to 2,161.69 and 4,887.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,161.69 : 4,887.84 = 4,887.84 : x
2. Step 2: Convert to fraction form
   2,161.69/4,887.84 = 4,887.84/x
3. Step 3: Cross multiply
   2,161.69x = 4,887.84 × 4,887.84
4. Step 4: Simplify right side
   2,161.69x = 23,891,016.52
5. Step 5: Solve for x
   x = 23,891,016.52/2,161.69
6. Step 6: Final answer
   x = 11,052.02