Finding the Third Proportional to 1,240.41 and 1,683.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,240.41 : 1,683.94 = 1,683.94 : x
2. Step 2: Convert to fraction form
   1,240.41/1,683.94 = 1,683.94/x
3. Step 3: Cross multiply
   1,240.41x = 1,683.94 × 1,683.94
4. Step 4: Simplify right side
   1,240.41x = 2,835,645.50
5. Step 5: Solve for x
   x = 2,835,645.50/1,240.41
6. Step 6: Final answer
   x = 2,286.06