Finding the Third Proportional to 610,638 and 1,322,922

Step by Step Solution

1. Step 1: Write the proportion equation
   610,638 : 1,322,922 = 1,322,922 : x
2. Step 2: Convert to fraction form
   610,638/1,322,922 = 1,322,922/x
3. Step 3: Cross multiply
   610,638x = 1,322,922 × 1,322,922
4. Step 4: Simplify right side
   610,638x = 1,750,122,618,084
5. Step 5: Solve for x
   x = 1,750,122,618,084/610,638
6. Step 6: Final answer
   x = 2,866,055.86