Finding the Third Proportional to 1,836,442 and 3,967,968

Step by Step Solution

1. Step 1: Write the proportion equation
   1,836,442 : 3,967,968 = 3,967,968 : x
2. Step 2: Convert to fraction form
   1,836,442/3,967,968 = 3,967,968/x
3. Step 3: Cross multiply
   1,836,442x = 3,967,968 × 3,967,968
4. Step 4: Simplify right side
   1,836,442x = 15,744,770,049,024
5. Step 5: Solve for x
   x = 15,744,770,049,024/1,836,442
6. Step 6: Final answer
   x = 8,573,518.82