Finding the Third Proportional to 1,407,021 and 2,863,724

Step by Step Solution

1. Step 1: Write the proportion equation
   1,407,021 : 2,863,724 = 2,863,724 : x
2. Step 2: Convert to fraction form
   1,407,021/2,863,724 = 2,863,724/x
3. Step 3: Cross multiply
   1,407,021x = 2,863,724 × 2,863,724
4. Step 4: Simplify right side
   1,407,021x = 8,200,915,148,176
5. Step 5: Solve for x
   x = 8,200,915,148,176/1,407,021
6. Step 6: Final answer
   x = 5,828,566.27