Finding the Third Proportional to 1,005.44 and 2,215.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,005.44 : 2,215.31 = 2,215.31 : x
2. Step 2: Convert to fraction form
   1,005.44/2,215.31 = 2,215.31/x
3. Step 3: Cross multiply
   1,005.44x = 2,215.31 × 2,215.31
4. Step 4: Simplify right side
   1,005.44x = 4,907,609.47
5. Step 5: Solve for x
   x = 4,907,609.47/1,005.44
6. Step 6: Final answer
   x = 4,881.07