Finding the Third Proportional to 1,388 and 1,942

Step by Step Solution

1. Step 1: Write the proportion equation
   1,388 : 1,942 = 1,942 : x
2. Step 2: Convert to fraction form
   1,388/1,942 = 1,942/x
3. Step 3: Cross multiply
   1,388x = 1,942 × 1,942
4. Step 4: Simplify right side
   1,388x = 3,771,364
5. Step 5: Solve for x
   x = 3,771,364/1,388
6. Step 6: Final answer
   x = 2,717.12