Finding the Third Proportional to 1,511,717 and 2,291,570

Step by Step Solution

1. Step 1: Write the proportion equation
   1,511,717 : 2,291,570 = 2,291,570 : x
2. Step 2: Convert to fraction form
   1,511,717/2,291,570 = 2,291,570/x
3. Step 3: Cross multiply
   1,511,717x = 2,291,570 × 2,291,570
4. Step 4: Simplify right side
   1,511,717x = 5,251,293,064,900
5. Step 5: Solve for x
   x = 5,251,293,064,900/1,511,717
6. Step 6: Final answer
   x = 3,473,727.60