Finding the Third Proportional to 8,442.56 and 17,439.05

Step by Step Solution

1. Step 1: Write the proportion equation
   8,442.56 : 17,439.05 = 17,439.05 : x
2. Step 2: Convert to fraction form
   8,442.56/17,439.05 = 17,439.05/x
3. Step 3: Cross multiply
   8,442.56x = 17,439.05 × 17,439.05
4. Step 4: Simplify right side
   8,442.56x = 304,120,355.91
5. Step 5: Solve for x
   x = 304,120,355.91/8,442.56
6. Step 6: Final answer
   x = 36,022.28