Finding the Third Proportional to 1,260,436 and 1,891,578

Step by Step Solution

1. Step 1: Write the proportion equation
   1,260,436 : 1,891,578 = 1,891,578 : x
2. Step 2: Convert to fraction form
   1,260,436/1,891,578 = 1,891,578/x
3. Step 3: Cross multiply
   1,260,436x = 1,891,578 × 1,891,578
4. Step 4: Simplify right side
   1,260,436x = 3,578,067,330,084
5. Step 5: Solve for x
   x = 3,578,067,330,084/1,260,436
6. Step 6: Final answer
   x = 2,838,753.68