Finding the Third Proportional to 1,071,687 and 2,311,636

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,687 : 2,311,636 = 2,311,636 : x
2. Step 2: Convert to fraction form
   1,071,687/2,311,636 = 2,311,636/x
3. Step 3: Cross multiply
   1,071,687x = 2,311,636 × 2,311,636
4. Step 4: Simplify right side
   1,071,687x = 5,343,660,996,496
5. Step 5: Solve for x
   x = 5,343,660,996,496/1,071,687
6. Step 6: Final answer
   x = 4,986,214.26