Finding the Third Proportional to 8,336.34 and 12,851.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,336.34 : 12,851.16 = 12,851.16 : x
2. Step 2: Convert to fraction form
   8,336.34/12,851.16 = 12,851.16/x
3. Step 3: Cross multiply
   8,336.34x = 12,851.16 × 12,851.16
4. Step 4: Simplify right side
   8,336.34x = 165,152,216.96
5. Step 5: Solve for x
   x = 165,152,216.96/8,336.34
6. Step 6: Final answer
   x = 19,811.11