Finding the Third Proportional to 1,328,937 and 1,992,996

Step by Step Solution

1. Step 1: Write the proportion equation
   1,328,937 : 1,992,996 = 1,992,996 : x
2. Step 2: Convert to fraction form
   1,328,937/1,992,996 = 1,992,996/x
3. Step 3: Cross multiply
   1,328,937x = 1,992,996 × 1,992,996
4. Step 4: Simplify right side
   1,328,937x = 3,972,033,056,016
5. Step 5: Solve for x
   x = 3,972,033,056,016/1,328,937
6. Step 6: Final answer
   x = 2,988,879.88