Finding the Third Proportional to 1,228,690 and 1,923,293

Step by Step Solution

1. Step 1: Write the proportion equation
   1,228,690 : 1,923,293 = 1,923,293 : x
2. Step 2: Convert to fraction form
   1,228,690/1,923,293 = 1,923,293/x
3. Step 3: Cross multiply
   1,228,690x = 1,923,293 × 1,923,293
4. Step 4: Simplify right side
   1,228,690x = 3,699,055,963,849
5. Step 5: Solve for x
   x = 3,699,055,963,849/1,228,690
6. Step 6: Final answer
   x = 3,010,568.95