Finding the Third Proportional to 1,286,555 and 2,750,166

Step by Step Solution

1. Step 1: Write the proportion equation
   1,286,555 : 2,750,166 = 2,750,166 : x
2. Step 2: Convert to fraction form
   1,286,555/2,750,166 = 2,750,166/x
3. Step 3: Cross multiply
   1,286,555x = 2,750,166 × 2,750,166
4. Step 4: Simplify right side
   1,286,555x = 7,563,413,027,556
5. Step 5: Solve for x
   x = 7,563,413,027,556/1,286,555
6. Step 6: Final answer
   x = 5,878,810.49