Finding the Third Proportional to 1,291,668 and 1,992,006

Step by Step Solution

1. Step 1: Write the proportion equation
   1,291,668 : 1,992,006 = 1,992,006 : x
2. Step 2: Convert to fraction form
   1,291,668/1,992,006 = 1,992,006/x
3. Step 3: Cross multiply
   1,291,668x = 1,992,006 × 1,992,006
4. Step 4: Simplify right side
   1,291,668x = 3,968,087,904,036
5. Step 5: Solve for x
   x = 3,968,087,904,036/1,291,668
6. Step 6: Final answer
   x = 3,072,064.88