Finding the Third Proportional to 2,219.10 and 4,855.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219.10 : 4,855.79 = 4,855.79 : x
2. Step 2: Convert to fraction form
   2,219.10/4,855.79 = 4,855.79/x
3. Step 3: Cross multiply
   2,219.10x = 4,855.79 × 4,855.79
4. Step 4: Simplify right side
   2,219.10x = 23,578,675.56
5. Step 5: Solve for x
   x = 23,578,675.56/2,219.10
6. Step 6: Final answer
   x = 10,625.35