Finding the Third Proportional to 860,634 and 1,819,768

Step by Step Solution

1. Step 1: Write the proportion equation
   860,634 : 1,819,768 = 1,819,768 : x
2. Step 2: Convert to fraction form
   860,634/1,819,768 = 1,819,768/x
3. Step 3: Cross multiply
   860,634x = 1,819,768 × 1,819,768
4. Step 4: Simplify right side
   860,634x = 3,311,555,573,824
5. Step 5: Solve for x
   x = 3,311,555,573,824/860,634
6. Step 6: Final answer
   x = 3,847,809.38