Finding the Third Proportional to 1,286,216 and 2,793,856

Step by Step Solution

1. Step 1: Write the proportion equation
   1,286,216 : 2,793,856 = 2,793,856 : x
2. Step 2: Convert to fraction form
   1,286,216/2,793,856 = 2,793,856/x
3. Step 3: Cross multiply
   1,286,216x = 2,793,856 × 2,793,856
4. Step 4: Simplify right side
   1,286,216x = 7,805,631,348,736
5. Step 5: Solve for x
   x = 7,805,631,348,736/1,286,216
6. Step 6: Final answer
   x = 6,068,678.47