Finding the Third Proportional to 713,686 and 1,569,320

Step by Step Solution

1. Step 1: Write the proportion equation
   713,686 : 1,569,320 = 1,569,320 : x
2. Step 2: Convert to fraction form
   713,686/1,569,320 = 1,569,320/x
3. Step 3: Cross multiply
   713,686x = 1,569,320 × 1,569,320
4. Step 4: Simplify right side
   713,686x = 2,462,765,262,400
5. Step 5: Solve for x
   x = 2,462,765,262,400/713,686
6. Step 6: Final answer
   x = 3,450,768.63