Finding the Third Proportional to 1,261,780 and 2,736,518

Step by Step Solution

1. Step 1: Write the proportion equation
   1,261,780 : 2,736,518 = 2,736,518 : x
2. Step 2: Convert to fraction form
   1,261,780/2,736,518 = 2,736,518/x
3. Step 3: Cross multiply
   1,261,780x = 2,736,518 × 2,736,518
4. Step 4: Simplify right side
   1,261,780x = 7,488,530,764,324
5. Step 5: Solve for x
   x = 7,488,530,764,324/1,261,780
6. Step 6: Final answer
   x = 5,934,894.17