Finding the Third Proportional to 1,375.97 and 2,131.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375.97 : 2,131.41 = 2,131.41 : x
2. Step 2: Convert to fraction form
   1,375.97/2,131.41 = 2,131.41/x
3. Step 3: Cross multiply
   1,375.97x = 2,131.41 × 2,131.41
4. Step 4: Simplify right side
   1,375.97x = 4,542,892.60
5. Step 5: Solve for x
   x = 4,542,892.60/1,375.97
6. Step 6: Final answer
   x = 3,301.60