Finding the Third Proportional to 787,706 and 1,687,495

Step by Step Solution

1. Step 1: Write the proportion equation
   787,706 : 1,687,495 = 1,687,495 : x
2. Step 2: Convert to fraction form
   787,706/1,687,495 = 1,687,495/x
3. Step 3: Cross multiply
   787,706x = 1,687,495 × 1,687,495
4. Step 4: Simplify right side
   787,706x = 2,847,639,375,025
5. Step 5: Solve for x
   x = 2,847,639,375,025/787,706
6. Step 6: Final answer
   x = 3,615,104.33