Finding the Third Proportional to 18,548.92 and 40,557.74

Step by Step Solution

1. Step 1: Write the proportion equation
   18,548.92 : 40,557.74 = 40,557.74 : x
2. Step 2: Convert to fraction form
   18,548.92/40,557.74 = 40,557.74/x
3. Step 3: Cross multiply
   18,548.92x = 40,557.74 × 40,557.74
4. Step 4: Simplify right side
   18,548.92x = 1,644,930,609.78
5. Step 5: Solve for x
   x = 1,644,930,609.78/18,548.92
6. Step 6: Final answer
   x = 88,680.66