Finding the Third Proportional to 1,538,988 and 2,299,866

Step by Step Solution

1. Step 1: Write the proportion equation
   1,538,988 : 2,299,866 = 2,299,866 : x
2. Step 2: Convert to fraction form
   1,538,988/2,299,866 = 2,299,866/x
3. Step 3: Cross multiply
   1,538,988x = 2,299,866 × 2,299,866
4. Step 4: Simplify right side
   1,538,988x = 5,289,383,617,956
5. Step 5: Solve for x
   x = 5,289,383,617,956/1,538,988
6. Step 6: Final answer
   x = 3,436,923.24