Finding the Third Proportional to 1,328,951 and 1,993,009

Step by Step Solution

1. Step 1: Write the proportion equation
   1,328,951 : 1,993,009 = 1,993,009 : x
2. Step 2: Convert to fraction form
   1,328,951/1,993,009 = 1,993,009/x
3. Step 3: Cross multiply
   1,328,951x = 1,993,009 × 1,993,009
4. Step 4: Simplify right side
   1,328,951x = 3,972,084,874,081
5. Step 5: Solve for x
   x = 3,972,084,874,081/1,328,951
6. Step 6: Final answer
   x = 2,988,887.38