Finding the Third Proportional to 1,863,112 and 3,991,822

Step by Step Solution

1. Step 1: Write the proportion equation
   1,863,112 : 3,991,822 = 3,991,822 : x
2. Step 2: Convert to fraction form
   1,863,112/3,991,822 = 3,991,822/x
3. Step 3: Cross multiply
   1,863,112x = 3,991,822 × 3,991,822
4. Step 4: Simplify right side
   1,863,112x = 15,934,642,879,684
5. Step 5: Solve for x
   x = 15,934,642,879,684/1,863,112
6. Step 6: Final answer
   x = 8,552,702.62