Finding the Third Proportional to 18,486.98 and 40,425.33

Step by Step Solution

1. Step 1: Write the proportion equation
   18,486.98 : 40,425.33 = 40,425.33 : x
2. Step 2: Convert to fraction form
   18,486.98/40,425.33 = 40,425.33/x
3. Step 3: Cross multiply
   18,486.98x = 40,425.33 × 40,425.33
4. Step 4: Simplify right side
   18,486.98x = 1,634,207,154.01
5. Step 5: Solve for x
   x = 1,634,207,154.01/18,486.98
6. Step 6: Final answer
   x = 88,397.71