Finding the Third Proportional to 8,672.06 and 18,972.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,672.06 : 18,972.56 = 18,972.56 : x
2. Step 2: Convert to fraction form
   8,672.06/18,972.56 = 18,972.56/x
3. Step 3: Cross multiply
   8,672.06x = 18,972.56 × 18,972.56
4. Step 4: Simplify right side
   8,672.06x = 359,958,127.82
5. Step 5: Solve for x
   x = 359,958,127.82/8,672.06
6. Step 6: Final answer
   x = 41,507.79