Finding the Third Proportional to 1,357 and 1,940

Step by Step Solution

1. Step 1: Write the proportion equation
   1,357 : 1,940 = 1,940 : x
2. Step 2: Convert to fraction form
   1,357/1,940 = 1,940/x
3. Step 3: Cross multiply
   1,357x = 1,940 × 1,940
4. Step 4: Simplify right side
   1,357x = 3,763,600
5. Step 5: Solve for x
   x = 3,763,600/1,357
6. Step 6: Final answer
   x = 2,773.47