Finding the Third Proportional to 13,168 and 20,314.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,168 : 20,314.50 = 20,314.50 : x
2. Step 2: Convert to fraction form
   13,168/20,314.50 = 20,314.50/x
3. Step 3: Cross multiply
   13,168x = 20,314.50 × 20,314.50
4. Step 4: Simplify right side
   13,168x = 412,678,910.25
5. Step 5: Solve for x
   x = 412,678,910.25/13,168
6. Step 6: Final answer
   x = 31,339.53