Finding the Third Proportional to 864,468 and 1,897,087

Step by Step Solution

1. Step 1: Write the proportion equation
   864,468 : 1,897,087 = 1,897,087 : x
2. Step 2: Convert to fraction form
   864,468/1,897,087 = 1,897,087/x
3. Step 3: Cross multiply
   864,468x = 1,897,087 × 1,897,087
4. Step 4: Simplify right side
   864,468x = 3,598,939,085,569
5. Step 5: Solve for x
   x = 3,598,939,085,569/864,468
6. Step 6: Final answer
   x = 4,163,183.70