Finding the Third Proportional to 2,202.47 and 3,131.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,202.47 : 3,131.58 = 3,131.58 : x
2. Step 2: Convert to fraction form
   2,202.47/3,131.58 = 3,131.58/x
3. Step 3: Cross multiply
   2,202.47x = 3,131.58 × 3,131.58
4. Step 4: Simplify right side
   2,202.47x = 9,806,781.55
5. Step 5: Solve for x
   x = 9,806,781.55/2,202.47
6. Step 6: Final answer
   x = 4,452.63