Finding the Third Proportional to 1,346,578 and 2,879,780

Step by Step Solution

1. Step 1: Write the proportion equation
   1,346,578 : 2,879,780 = 2,879,780 : x
2. Step 2: Convert to fraction form
   1,346,578/2,879,780 = 2,879,780/x
3. Step 3: Cross multiply
   1,346,578x = 2,879,780 × 2,879,780
4. Step 4: Simplify right side
   1,346,578x = 8,293,132,848,400
5. Step 5: Solve for x
   x = 8,293,132,848,400/1,346,578
6. Step 6: Final answer
   x = 6,158,672.46