Finding the Third Proportional to 622,932 and 978,668

Step by Step Solution

1. Step 1: Write the proportion equation
   622,932 : 978,668 = 978,668 : x
2. Step 2: Convert to fraction form
   622,932/978,668 = 978,668/x
3. Step 3: Cross multiply
   622,932x = 978,668 × 978,668
4. Step 4: Simplify right side
   622,932x = 957,791,054,224
5. Step 5: Solve for x
   x = 957,791,054,224/622,932
6. Step 6: Final answer
   x = 1,537,553.14