Finding the Third Proportional to 2,101.78 and 4,443.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,101.78 : 4,443.19 = 4,443.19 : x
2. Step 2: Convert to fraction form
   2,101.78/4,443.19 = 4,443.19/x
3. Step 3: Cross multiply
   2,101.78x = 4,443.19 × 4,443.19
4. Step 4: Simplify right side
   2,101.78x = 19,741,915.16
5. Step 5: Solve for x
   x = 19,741,915.16/2,101.78
6. Step 6: Final answer
   x = 9,392.94