Finding the Third Proportional to 1,204,390 and 2,616,788

Step by Step Solution

1. Step 1: Write the proportion equation
   1,204,390 : 2,616,788 = 2,616,788 : x
2. Step 2: Convert to fraction form
   1,204,390/2,616,788 = 2,616,788/x
3. Step 3: Cross multiply
   1,204,390x = 2,616,788 × 2,616,788
4. Step 4: Simplify right side
   1,204,390x = 6,847,579,436,944
5. Step 5: Solve for x
   x = 6,847,579,436,944/1,204,390
6. Step 6: Final answer
   x = 5,685,516.68