Finding the Third Proportional to 1,425.40 and 2,132.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,425.40 : 2,132.39 = 2,132.39 : x
2. Step 2: Convert to fraction form
   1,425.40/2,132.39 = 2,132.39/x
3. Step 3: Cross multiply
   1,425.40x = 2,132.39 × 2,132.39
4. Step 4: Simplify right side
   1,425.40x = 4,547,089.78
5. Step 5: Solve for x
   x = 4,547,089.78/1,425.40
6. Step 6: Final answer
   x = 3,190.05