Finding the Third Proportional to 2,214.42 and 3,456.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,214.42 : 3,456.42 = 3,456.42 : x
2. Step 2: Convert to fraction form
   2,214.42/3,456.42 = 3,456.42/x
3. Step 3: Cross multiply
   2,214.42x = 3,456.42 × 3,456.42
4. Step 4: Simplify right side
   2,214.42x = 11,946,852.18
5. Step 5: Solve for x
   x = 11,946,852.18/2,214.42
6. Step 6: Final answer
   x = 5,395.02