Finding the Third Proportional to 511,574 and 1,085,490

Step by Step Solution

1. Step 1: Write the proportion equation
   511,574 : 1,085,490 = 1,085,490 : x
2. Step 2: Convert to fraction form
   511,574/1,085,490 = 1,085,490/x
3. Step 3: Cross multiply
   511,574x = 1,085,490 × 1,085,490
4. Step 4: Simplify right side
   511,574x = 1,178,288,540,100
5. Step 5: Solve for x
   x = 1,178,288,540,100/511,574
6. Step 6: Final answer
   x = 2,303,261.19