Finding the Third Proportional to 1,286,214 and 2,793,780

Step by Step Solution

1. Step 1: Write the proportion equation
   1,286,214 : 2,793,780 = 2,793,780 : x
2. Step 2: Convert to fraction form
   1,286,214/2,793,780 = 2,793,780/x
3. Step 3: Cross multiply
   1,286,214x = 2,793,780 × 2,793,780
4. Step 4: Simplify right side
   1,286,214x = 7,805,206,688,400
5. Step 5: Solve for x
   x = 7,805,206,688,400/1,286,214
6. Step 6: Final answer
   x = 6,068,357.74