Finding the Third Proportional to 8,573.63 and 12,009.94

Step by Step Solution

1. Step 1: Write the proportion equation
   8,573.63 : 12,009.94 = 12,009.94 : x
2. Step 2: Convert to fraction form
   8,573.63/12,009.94 = 12,009.94/x
3. Step 3: Cross multiply
   8,573.63x = 12,009.94 × 12,009.94
4. Step 4: Simplify right side
   8,573.63x = 144,238,598.75
5. Step 5: Solve for x
   x = 144,238,598.75/8,573.63
6. Step 6: Final answer
   x = 16,823.53