Finding the Third Proportional to 1,348.88 and 3,240.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,348.88 : 3,240.56 = 3,240.56 : x
2. Step 2: Convert to fraction form
   1,348.88/3,240.56 = 3,240.56/x
3. Step 3: Cross multiply
   1,348.88x = 3,240.56 × 3,240.56
4. Step 4: Simplify right side
   1,348.88x = 10,501,245.32
5. Step 5: Solve for x
   x = 10,501,245.32/1,348.88
6. Step 6: Final answer
   x = 7,785.19