Finding the Third Proportional to 1,833,681 and 3,982,911

Step by Step Solution

1. Step 1: Write the proportion equation
   1,833,681 : 3,982,911 = 3,982,911 : x
2. Step 2: Convert to fraction form
   1,833,681/3,982,911 = 3,982,911/x
3. Step 3: Cross multiply
   1,833,681x = 3,982,911 × 3,982,911
4. Step 4: Simplify right side
   1,833,681x = 15,863,580,033,921
5. Step 5: Solve for x
   x = 15,863,580,033,921/1,833,681
6. Step 6: Final answer
   x = 8,651,221.25