Finding the Third Proportional to 1,836,454 and 3,967,992

Step by Step Solution

1. Step 1: Write the proportion equation
   1,836,454 : 3,967,992 = 3,967,992 : x
2. Step 2: Convert to fraction form
   1,836,454/3,967,992 = 3,967,992/x
3. Step 3: Cross multiply
   1,836,454x = 3,967,992 × 3,967,992
4. Step 4: Simplify right side
   1,836,454x = 15,744,960,512,064
5. Step 5: Solve for x
   x = 15,744,960,512,064/1,836,454
6. Step 6: Final answer
   x = 8,573,566.51