Finding the Third Proportional to 2,556,915 and 4,261,017

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556,915 : 4,261,017 = 4,261,017 : x
2. Step 2: Convert to fraction form
   2,556,915/4,261,017 = 4,261,017/x
3. Step 3: Cross multiply
   2,556,915x = 4,261,017 × 4,261,017
4. Step 4: Simplify right side
   2,556,915x = 18,156,265,874,289
5. Step 5: Solve for x
   x = 18,156,265,874,289/2,556,915
6. Step 6: Final answer
   x = 7,100,848.43