Finding the Third Proportional to 1,425.38 and 3,216.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,425.38 : 3,216.94 = 3,216.94 : x
2. Step 2: Convert to fraction form
   1,425.38/3,216.94 = 3,216.94/x
3. Step 3: Cross multiply
   1,425.38x = 3,216.94 × 3,216.94
4. Step 4: Simplify right side
   1,425.38x = 10,348,686.88
5. Step 5: Solve for x
   x = 10,348,686.88/1,425.38
6. Step 6: Final answer
   x = 7,260.33