Finding the Third Proportional to 685,260 and 1,579,338

Step by Step Solution

1. Step 1: Write the proportion equation
   685,260 : 1,579,338 = 1,579,338 : x
2. Step 2: Convert to fraction form
   685,260/1,579,338 = 1,579,338/x
3. Step 3: Cross multiply
   685,260x = 1,579,338 × 1,579,338
4. Step 4: Simplify right side
   685,260x = 2,494,308,518,244
5. Step 5: Solve for x
   x = 2,494,308,518,244/685,260
6. Step 6: Final answer
   x = 3,639,944.72