Finding the Third Proportional to 2,494,489.50 and 5,388,147

Step by Step Solution

1. Step 1: Write the proportion equation
   2,494,489.50 : 5,388,147 = 5,388,147 : x
2. Step 2: Convert to fraction form
   2,494,489.50/5,388,147 = 5,388,147/x
3. Step 3: Cross multiply
   2,494,489.50x = 5,388,147 × 5,388,147
4. Step 4: Simplify right side
   2,494,489.50x = 29,032,128,093,609
5. Step 5: Solve for x
   x = 29,032,128,093,609/2,494,489.50
6. Step 6: Final answer
   x = 11,638,504.83