Finding the Third Proportional to 1,821,303 and 3,996,900

Step by Step Solution

1. Step 1: Write the proportion equation
   1,821,303 : 3,996,900 = 3,996,900 : x
2. Step 2: Convert to fraction form
   1,821,303/3,996,900 = 3,996,900/x
3. Step 3: Cross multiply
   1,821,303x = 3,996,900 × 3,996,900
4. Step 4: Simplify right side
   1,821,303x = 15,975,209,610,000
5. Step 5: Solve for x
   x = 15,975,209,610,000/1,821,303
6. Step 6: Final answer
   x = 8,771,308.02