Finding the Third Proportional to 685,456 and 1,487,552

Step by Step Solution

1. Step 1: Write the proportion equation
   685,456 : 1,487,552 = 1,487,552 : x
2. Step 2: Convert to fraction form
   685,456/1,487,552 = 1,487,552/x
3. Step 3: Cross multiply
   685,456x = 1,487,552 × 1,487,552
4. Step 4: Simplify right side
   685,456x = 2,212,810,952,704
5. Step 5: Solve for x
   x = 2,212,810,952,704/685,456
6. Step 6: Final answer
   x = 3,228,231.94