Finding the Third Proportional to 1,394.28 and 2,242.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,394.28 : 2,242.17 = 2,242.17 : x
2. Step 2: Convert to fraction form
   1,394.28/2,242.17 = 2,242.17/x
3. Step 3: Cross multiply
   1,394.28x = 2,242.17 × 2,242.17
4. Step 4: Simplify right side
   1,394.28x = 5,027,334.72
5. Step 5: Solve for x
   x = 5,027,334.72/1,394.28
6. Step 6: Final answer
   x = 3,605.68