Finding the Third Proportional to 2,122.88 and 3,103.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,122.88 : 3,103.31 = 3,103.31 : x
2. Step 2: Convert to fraction form
   2,122.88/3,103.31 = 3,103.31/x
3. Step 3: Cross multiply
   2,122.88x = 3,103.31 × 3,103.31
4. Step 4: Simplify right side
   2,122.88x = 9,630,548.47
5. Step 5: Solve for x
   x = 9,630,548.47/2,122.88
6. Step 6: Final answer
   x = 4,536.56