Finding the Third Proportional to 1,228,668 and 1,923,216

Step by Step Solution

1. Step 1: Write the proportion equation
   1,228,668 : 1,923,216 = 1,923,216 : x
2. Step 2: Convert to fraction form
   1,228,668/1,923,216 = 1,923,216/x
3. Step 3: Cross multiply
   1,228,668x = 1,923,216 × 1,923,216
4. Step 4: Simplify right side
   1,228,668x = 3,698,759,782,656
5. Step 5: Solve for x
   x = 3,698,759,782,656/1,228,668
6. Step 6: Final answer
   x = 3,010,381.80