Finding the Third Proportional to 846,874 and 1,816,544

Step by Step Solution

1. Step 1: Write the proportion equation
   846,874 : 1,816,544 = 1,816,544 : x
2. Step 2: Convert to fraction form
   846,874/1,816,544 = 1,816,544/x
3. Step 3: Cross multiply
   846,874x = 1,816,544 × 1,816,544
4. Step 4: Simplify right side
   846,874x = 3,299,832,103,936
5. Step 5: Solve for x
   x = 3,299,832,103,936/846,874
6. Step 6: Final answer
   x = 3,896,485.31