Finding the Third Proportional to 2,547.70 and 5,562.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,547.70 : 5,562.42 = 5,562.42 : x
2. Step 2: Convert to fraction form
   2,547.70/5,562.42 = 5,562.42/x
3. Step 3: Cross multiply
   2,547.70x = 5,562.42 × 5,562.42
4. Step 4: Simplify right side
   2,547.70x = 30,940,537.12
5. Step 5: Solve for x
   x = 30,940,537.12/2,547.70
6. Step 6: Final answer
   x = 12,144.48