Finding the Third Proportional to 1,821,788 and 3,923,833

Step by Step Solution

1. Step 1: Write the proportion equation
   1,821,788 : 3,923,833 = 3,923,833 : x
2. Step 2: Convert to fraction form
   1,821,788/3,923,833 = 3,923,833/x
3. Step 3: Cross multiply
   1,821,788x = 3,923,833 × 3,923,833
4. Step 4: Simplify right side
   1,821,788x = 15,396,465,411,889
5. Step 5: Solve for x
   x = 15,396,465,411,889/1,821,788
6. Step 6: Final answer
   x = 8,451,293.68