Finding the Third Proportional to 1,371.94 and 2,122.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,371.94 : 2,122.31 = 2,122.31 : x
2. Step 2: Convert to fraction form
   1,371.94/2,122.31 = 2,122.31/x
3. Step 3: Cross multiply
   1,371.94x = 2,122.31 × 2,122.31
4. Step 4: Simplify right side
   1,371.94x = 4,504,210.35
5. Step 5: Solve for x
   x = 4,504,210.35/1,371.94
6. Step 6: Final answer
   x = 3,283.10