Finding the Third Proportional to 12,866.63 and 19,941.19

Step by Step Solution

1. Step 1: Write the proportion equation
   12,866.63 : 19,941.19 = 19,941.19 : x
2. Step 2: Convert to fraction form
   12,866.63/19,941.19 = 19,941.19/x
3. Step 3: Cross multiply
   12,866.63x = 19,941.19 × 19,941.19
4. Step 4: Simplify right side
   12,866.63x = 397,650,958.91
5. Step 5: Solve for x
   x = 397,650,958.91/12,866.63
6. Step 6: Final answer
   x = 30,905.62