Finding the Third Proportional to 1,558.88 and 2,331.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,558.88 : 2,331.56 = 2,331.56 : x
2. Step 2: Convert to fraction form
   1,558.88/2,331.56 = 2,331.56/x
3. Step 3: Cross multiply
   1,558.88x = 2,331.56 × 2,331.56
4. Step 4: Simplify right side
   1,558.88x = 5,436,183.69
5. Step 5: Solve for x
   x = 5,436,183.69/1,558.88
6. Step 6: Final answer
   x = 3,487.25