Finding the Third Proportional to 1,425.09 and 2,181.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,425.09 : 2,181.52 = 2,181.52 : x
2. Step 2: Convert to fraction form
   1,425.09/2,181.52 = 2,181.52/x
3. Step 3: Cross multiply
   1,425.09x = 2,181.52 × 2,181.52
4. Step 4: Simplify right side
   1,425.09x = 4,759,010.42
5. Step 5: Solve for x
   x = 4,759,010.42/1,425.09
6. Step 6: Final answer
   x = 3,339.44