Finding the Third Proportional to 1,015.88 and 2,113.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015.88 : 2,113.31 = 2,113.31 : x
2. Step 2: Convert to fraction form
   1,015.88/2,113.31 = 2,113.31/x
3. Step 3: Cross multiply
   1,015.88x = 2,113.31 × 2,113.31
4. Step 4: Simplify right side
   1,015.88x = 4,466,089.72
5. Step 5: Solve for x
   x = 4,466,089.72/1,015.88
6. Step 6: Final answer
   x = 4,396.30