Finding the Third Proportional to 1,821,296 and 3,996,886

Step by Step Solution

1. Step 1: Write the proportion equation
   1,821,296 : 3,996,886 = 3,996,886 : x
2. Step 2: Convert to fraction form
   1,821,296/3,996,886 = 3,996,886/x
3. Step 3: Cross multiply
   1,821,296x = 3,996,886 × 3,996,886
4. Step 4: Simplify right side
   1,821,296x = 15,975,097,696,996
5. Step 5: Solve for x
   x = 15,975,097,696,996/1,821,296
6. Step 6: Final answer
   x = 8,771,280.28