Finding the Third Proportional to 1,284,478 and 2,823,197

Step by Step Solution

1. Step 1: Write the proportion equation
   1,284,478 : 2,823,197 = 2,823,197 : x
2. Step 2: Convert to fraction form
   1,284,478/2,823,197 = 2,823,197/x
3. Step 3: Cross multiply
   1,284,478x = 2,823,197 × 2,823,197
4. Step 4: Simplify right side
   1,284,478x = 7,970,441,300,809
5. Step 5: Solve for x
   x = 7,970,441,300,809/1,284,478
6. Step 6: Final answer
   x = 6,205,198.77