Finding the Third Proportional to 3,558.09 and 5,445.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,558.09 : 5,445.56 = 5,445.56 : x
2. Step 2: Convert to fraction form
   3,558.09/5,445.56 = 5,445.56/x
3. Step 3: Cross multiply
   3,558.09x = 5,445.56 × 5,445.56
4. Step 4: Simplify right side
   3,558.09x = 29,654,150.94
5. Step 5: Solve for x
   x = 29,654,150.94/3,558.09
6. Step 6: Final answer
   x = 8,334.28