Finding the Third Proportional to 622,922 and 978,653

Step by Step Solution

1. Step 1: Write the proportion equation
   622,922 : 978,653 = 978,653 : x
2. Step 2: Convert to fraction form
   622,922/978,653 = 978,653/x
3. Step 3: Cross multiply
   622,922x = 978,653 × 978,653
4. Step 4: Simplify right side
   622,922x = 957,761,694,409
5. Step 5: Solve for x
   x = 957,761,694,409/622,922
6. Step 6: Final answer
   x = 1,537,530.69