Finding the Third Proportional to 1,863,669 and 3,992,946

Step by Step Solution

1. Step 1: Write the proportion equation
   1,863,669 : 3,992,946 = 3,992,946 : x
2. Step 2: Convert to fraction form
   1,863,669/3,992,946 = 3,992,946/x
3. Step 3: Cross multiply
   1,863,669x = 3,992,946 × 3,992,946
4. Step 4: Simplify right side
   1,863,669x = 15,943,617,758,916
5. Step 5: Solve for x
   x = 15,943,617,758,916/1,863,669
6. Step 6: Final answer
   x = 8,554,962.15