Finding the Third Proportional to 1,821,300 and 3,996,894

Step by Step Solution

1. Step 1: Write the proportion equation
   1,821,300 : 3,996,894 = 3,996,894 : x
2. Step 2: Convert to fraction form
   1,821,300/3,996,894 = 3,996,894/x
3. Step 3: Cross multiply
   1,821,300x = 3,996,894 × 3,996,894
4. Step 4: Simplify right side
   1,821,300x = 15,975,161,647,236
5. Step 5: Solve for x
   x = 15,975,161,647,236/1,821,300
6. Step 6: Final answer
   x = 8,771,296.13