Finding the Third Proportional to 1,836,434 and 3,967,951

Step by Step Solution

1. Step 1: Write the proportion equation
   1,836,434 : 3,967,951 = 3,967,951 : x
2. Step 2: Convert to fraction form
   1,836,434/3,967,951 = 3,967,951/x
3. Step 3: Cross multiply
   1,836,434x = 3,967,951 × 3,967,951
4. Step 4: Simplify right side
   1,836,434x = 15,744,635,138,401
5. Step 5: Solve for x
   x = 15,744,635,138,401/1,836,434
6. Step 6: Final answer
   x = 8,573,482.71