Finding the Third Proportional to 844,668 and 1,308,990

Step by Step Solution

1. Step 1: Write the proportion equation
   844,668 : 1,308,990 = 1,308,990 : x
2. Step 2: Convert to fraction form
   844,668/1,308,990 = 1,308,990/x
3. Step 3: Cross multiply
   844,668x = 1,308,990 × 1,308,990
4. Step 4: Simplify right side
   844,668x = 1,713,454,820,100
5. Step 5: Solve for x
   x = 1,713,454,820,100/844,668
6. Step 6: Final answer
   x = 2,028,554.20