Finding the Third Proportional to 8,350.31 and 12,940.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,350.31 : 12,940.59 = 12,940.59 : x
2. Step 2: Convert to fraction form
   8,350.31/12,940.59 = 12,940.59/x
3. Step 3: Cross multiply
   8,350.31x = 12,940.59 × 12,940.59
4. Step 4: Simplify right side
   8,350.31x = 167,458,966.60
5. Step 5: Solve for x
   x = 167,458,966.60/8,350.31
6. Step 6: Final answer
   x = 20,054.22