Finding the Third Proportional to 1,371.94 and 2,176.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,371.94 : 2,176.59 = 2,176.59 : x
2. Step 2: Convert to fraction form
   1,371.94/2,176.59 = 2,176.59/x
3. Step 3: Cross multiply
   1,371.94x = 2,176.59 × 2,176.59
4. Step 4: Simplify right side
   1,371.94x = 4,737,560.35
5. Step 5: Solve for x
   x = 4,737,560.35/1,371.94
6. Step 6: Final answer
   x = 3,453.19