Finding the Third Proportional to 3,561,341 and 8,398,554

Step by Step Solution

1. Step 1: Write the proportion equation
   3,561,341 : 8,398,554 = 8,398,554 : x
2. Step 2: Convert to fraction form
   3,561,341/8,398,554 = 8,398,554/x
3. Step 3: Cross multiply
   3,561,341x = 8,398,554 × 8,398,554
4. Step 4: Simplify right side
   3,561,341x = 70,535,709,290,916
5. Step 5: Solve for x
   x = 70,535,709,290,916/3,561,341
6. Step 6: Final answer
   x = 19,805,940.88