Finding the Third Proportional to 8,004.63 and 12,861.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,004.63 : 12,861.25 = 12,861.25 : x
2. Step 2: Convert to fraction form
   8,004.63/12,861.25 = 12,861.25/x
3. Step 3: Cross multiply
   8,004.63x = 12,861.25 × 12,861.25
4. Step 4: Simplify right side
   8,004.63x = 165,411,751.56
5. Step 5: Solve for x
   x = 165,411,751.56/8,004.63
6. Step 6: Final answer
   x = 20,664.52