Finding the Third Proportional to 2,140.88 and 3,447.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140.88 : 3,447.56 = 3,447.56 : x
2. Step 2: Convert to fraction form
   2,140.88/3,447.56 = 3,447.56/x
3. Step 3: Cross multiply
   2,140.88x = 3,447.56 × 3,447.56
4. Step 4: Simplify right side
   2,140.88x = 11,885,687.19
5. Step 5: Solve for x
   x = 11,885,687.19/2,140.88
6. Step 6: Final answer
   x = 5,551.79