Finding the Third Proportional to 2,555.30 and 3,308.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,555.30 : 3,308.34 = 3,308.34 : x
2. Step 2: Convert to fraction form
   2,555.30/3,308.34 = 3,308.34/x
3. Step 3: Cross multiply
   2,555.30x = 3,308.34 × 3,308.34
4. Step 4: Simplify right side
   2,555.30x = 10,945,138.37
5. Step 5: Solve for x
   x = 10,945,138.37/2,555.30
6. Step 6: Final answer
   x = 4,283.31