Finding the Third Proportional to 558,963 and 1,212,462

Step by Step Solution

1. Step 1: Write the proportion equation
   558,963 : 1,212,462 = 1,212,462 : x
2. Step 2: Convert to fraction form
   558,963/1,212,462 = 1,212,462/x
3. Step 3: Cross multiply
   558,963x = 1,212,462 × 1,212,462
4. Step 4: Simplify right side
   558,963x = 1,470,064,101,444
5. Step 5: Solve for x
   x = 1,470,064,101,444/558,963
6. Step 6: Final answer
   x = 2,629,984.63