Finding the Third Proportional to 822,128 and 1,793,268

Step by Step Solution

1. Step 1: Write the proportion equation
   822,128 : 1,793,268 = 1,793,268 : x
2. Step 2: Convert to fraction form
   822,128/1,793,268 = 1,793,268/x
3. Step 3: Cross multiply
   822,128x = 1,793,268 × 1,793,268
4. Step 4: Simplify right side
   822,128x = 3,215,810,119,824
5. Step 5: Solve for x
   x = 3,215,810,119,824/822,128
6. Step 6: Final answer
   x = 3,911,568.66