Finding the Third Proportional to 18,226.50 and 39,220.88

Step by Step Solution

1. Step 1: Write the proportion equation
   18,226.50 : 39,220.88 = 39,220.88 : x
2. Step 2: Convert to fraction form
   18,226.50/39,220.88 = 39,220.88/x
3. Step 3: Cross multiply
   18,226.50x = 39,220.88 × 39,220.88
4. Step 4: Simplify right side
   18,226.50x = 1,538,277,035.77
5. Step 5: Solve for x
   x = 1,538,277,035.77/18,226.50
6. Step 6: Final answer
   x = 84,397.83