Finding the Third Proportional to 2,215.50 and 4,824.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215.50 : 4,824.75 = 4,824.75 : x
2. Step 2: Convert to fraction form
   2,215.50/4,824.75 = 4,824.75/x
3. Step 3: Cross multiply
   2,215.50x = 4,824.75 × 4,824.75
4. Step 4: Simplify right side
   2,215.50x = 23,278,212.56
5. Step 5: Solve for x
   x = 23,278,212.56/2,215.50
6. Step 6: Final answer
   x = 10,506.98