Finding the Third Proportional to 18,636.49 and 40,450.96

Step by Step Solution

1. Step 1: Write the proportion equation
   18,636.49 : 40,450.96 = 40,450.96 : x
2. Step 2: Convert to fraction form
   18,636.49/40,450.96 = 40,450.96/x
3. Step 3: Cross multiply
   18,636.49x = 40,450.96 × 40,450.96
4. Step 4: Simplify right side
   18,636.49x = 1,636,279,924.74
5. Step 5: Solve for x
   x = 1,636,279,924.74/18,636.49
6. Step 6: Final answer
   x = 87,799.81