Finding the Third Proportional to 850,314 and 1,866,495

Step by Step Solution

1. Step 1: Write the proportion equation
   850,314 : 1,866,495 = 1,866,495 : x
2. Step 2: Convert to fraction form
   850,314/1,866,495 = 1,866,495/x
3. Step 3: Cross multiply
   850,314x = 1,866,495 × 1,866,495
4. Step 4: Simplify right side
   850,314x = 3,483,803,585,025
5. Step 5: Solve for x
   x = 3,483,803,585,025/850,314
6. Step 6: Final answer
   x = 4,097,078.94