Finding the Third Proportional to 2,781,867 and 5,862,606

Step by Step Solution

1. Step 1: Write the proportion equation
   2,781,867 : 5,862,606 = 5,862,606 : x
2. Step 2: Convert to fraction form
   2,781,867/5,862,606 = 5,862,606/x
3. Step 3: Cross multiply
   2,781,867x = 5,862,606 × 5,862,606
4. Step 4: Simplify right side
   2,781,867x = 34,370,149,111,236
5. Step 5: Solve for x
   x = 34,370,149,111,236/2,781,867
6. Step 6: Final answer
   x = 12,355,065.54