Finding the Third Proportional to 2,018.56 and 4,346.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.56 : 4,346.31 = 4,346.31 : x
2. Step 2: Convert to fraction form
   2,018.56/4,346.31 = 4,346.31/x
3. Step 3: Cross multiply
   2,018.56x = 4,346.31 × 4,346.31
4. Step 4: Simplify right side
   2,018.56x = 18,890,432.35
5. Step 5: Solve for x
   x = 18,890,432.35/2,018.56
6. Step 6: Final answer
   x = 9,358.36