Finding the Third Proportional to 2,634.56 and 3,945

Step by Step Solution

1. Step 1: Write the proportion equation
   2,634.56 : 3,945 = 3,945 : x
2. Step 2: Convert to fraction form
   2,634.56/3,945 = 3,945/x
3. Step 3: Cross multiply
   2,634.56x = 3,945 × 3,945
4. Step 4: Simplify right side
   2,634.56x = 15,563,025
5. Step 5: Solve for x
   x = 15,563,025/2,634.56
6. Step 6: Final answer
   x = 5,907.25