Finding the Third Proportional to 768,949 and 1,685,979

Step by Step Solution

1. Step 1: Write the proportion equation
   768,949 : 1,685,979 = 1,685,979 : x
2. Step 2: Convert to fraction form
   768,949/1,685,979 = 1,685,979/x
3. Step 3: Cross multiply
   768,949x = 1,685,979 × 1,685,979
4. Step 4: Simplify right side
   768,949x = 2,842,525,188,441
5. Step 5: Solve for x
   x = 2,842,525,188,441/768,949
6. Step 6: Final answer
   x = 3,696,636.82