Finding the Third Proportional to 2,782,819 and 4,256,986

Step by Step Solution

1. Step 1: Write the proportion equation
   2,782,819 : 4,256,986 = 4,256,986 : x
2. Step 2: Convert to fraction form
   2,782,819/4,256,986 = 4,256,986/x
3. Step 3: Cross multiply
   2,782,819x = 4,256,986 × 4,256,986
4. Step 4: Simplify right side
   2,782,819x = 18,121,929,804,196
5. Step 5: Solve for x
   x = 18,121,929,804,196/2,782,819
6. Step 6: Final answer
   x = 6,512,076.35