Finding the Third Proportional to 1,087,072 and 2,305,687

Step by Step Solution

1. Step 1: Write the proportion equation
   1,087,072 : 2,305,687 = 2,305,687 : x
2. Step 2: Convert to fraction form
   1,087,072/2,305,687 = 2,305,687/x
3. Step 3: Cross multiply
   1,087,072x = 2,305,687 × 2,305,687
4. Step 4: Simplify right side
   1,087,072x = 5,316,192,541,969
5. Step 5: Solve for x
   x = 5,316,192,541,969/1,087,072
6. Step 6: Final answer
   x = 4,890,377.58