Finding the Third Proportional to 1,422.75 and 3,103.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422.75 : 3,103.25 = 3,103.25 : x
2. Step 2: Convert to fraction form
   1,422.75/3,103.25 = 3,103.25/x
3. Step 3: Cross multiply
   1,422.75x = 3,103.25 × 3,103.25
4. Step 4: Simplify right side
   1,422.75x = 9,630,160.56
5. Step 5: Solve for x
   x = 9,630,160.56/1,422.75
6. Step 6: Final answer
   x = 6,768.69