Finding the Third Proportional to 4,042,648 and 8,757,554

Step by Step Solution

1. Step 1: Write the proportion equation
   4,042,648 : 8,757,554 = 8,757,554 : x
2. Step 2: Convert to fraction form
   4,042,648/8,757,554 = 8,757,554/x
3. Step 3: Cross multiply
   4,042,648x = 8,757,554 × 8,757,554
4. Step 4: Simplify right side
   4,042,648x = 76,694,752,062,916
5. Step 5: Solve for x
   x = 76,694,752,062,916/4,042,648
6. Step 6: Final answer
   x = 18,971,414.79