Finding the Third Proportional to 1,835,554 and 3,936,821

Step by Step Solution

1. Step 1: Write the proportion equation
   1,835,554 : 3,936,821 = 3,936,821 : x
2. Step 2: Convert to fraction form
   1,835,554/3,936,821 = 3,936,821/x
3. Step 3: Cross multiply
   1,835,554x = 3,936,821 × 3,936,821
4. Step 4: Simplify right side
   1,835,554x = 15,498,559,586,041
5. Step 5: Solve for x
   x = 15,498,559,586,041/1,835,554
6. Step 6: Final answer
   x = 8,443,532.35