Finding the Third Proportional to 685,900 and 1,507,584

Step by Step Solution

1. Step 1: Write the proportion equation
   685,900 : 1,507,584 = 1,507,584 : x
2. Step 2: Convert to fraction form
   685,900/1,507,584 = 1,507,584/x
3. Step 3: Cross multiply
   685,900x = 1,507,584 × 1,507,584
4. Step 4: Simplify right side
   685,900x = 2,272,809,517,056
5. Step 5: Solve for x
   x = 2,272,809,517,056/685,900
6. Step 6: Final answer
   x = 3,313,616.44