Finding the Third Proportional to 8,800.31 and 13,418.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,800.31 : 13,418.16 = 13,418.16 : x
2. Step 2: Convert to fraction form
   8,800.31/13,418.16 = 13,418.16/x
3. Step 3: Cross multiply
   8,800.31x = 13,418.16 × 13,418.16
4. Step 4: Simplify right side
   8,800.31x = 180,046,917.15
5. Step 5: Solve for x
   x = 180,046,917.15/8,800.31
6. Step 6: Final answer
   x = 20,459.15