Finding the Third Proportional to 8,519,491.50 and 18,338,061.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,519,491.50 : 18,338,061.38 = 18,338,061.38 : x
2. Step 2: Convert to fraction form
   8,519,491.50/18,338,061.38 = 18,338,061.38/x
3. Step 3: Cross multiply
   8,519,491.50x = 18,338,061.38 × 18,338,061.38
4. Step 4: Simplify right side
   8,519,491.50x = 336,284,494,993,266.88
5. Step 5: Solve for x
   x = 336,284,494,993,266.88/8,519,491.50
6. Step 6: Final answer
   x = 39,472,366.98