Finding the Third Proportional to 2,113.03 and 4,891.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,113.03 : 4,891.78 = 4,891.78 : x
2. Step 2: Convert to fraction form
   2,113.03/4,891.78 = 4,891.78/x
3. Step 3: Cross multiply
   2,113.03x = 4,891.78 × 4,891.78
4. Step 4: Simplify right side
   2,113.03x = 23,929,523.80
5. Step 5: Solve for x
   x = 23,929,523.80/2,113.03
6. Step 6: Final answer
   x = 11,324.74