Finding the Third Proportional to 1,015.59 and 2,217.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015.59 : 2,217.23 = 2,217.23 : x
2. Step 2: Convert to fraction form
   1,015.59/2,217.23 = 2,217.23/x
3. Step 3: Cross multiply
   1,015.59x = 2,217.23 × 2,217.23
4. Step 4: Simplify right side
   1,015.59x = 4,916,128.27
5. Step 5: Solve for x
   x = 4,916,128.27/1,015.59
6. Step 6: Final answer
   x = 4,840.64