Finding the Third Proportional to 1,511,722 and 2,291,578

Step by Step Solution

1. Step 1: Write the proportion equation
   1,511,722 : 2,291,578 = 2,291,578 : x
2. Step 2: Convert to fraction form
   1,511,722/2,291,578 = 2,291,578/x
3. Step 3: Cross multiply
   1,511,722x = 2,291,578 × 2,291,578
4. Step 4: Simplify right side
   1,511,722x = 5,251,329,730,084
5. Step 5: Solve for x
   x = 5,251,329,730,084/1,511,722
6. Step 6: Final answer
   x = 3,473,740.36