Finding the Third Proportional to 846,840 and 1,816,476

Step by Step Solution

1. Step 1: Write the proportion equation
   846,840 : 1,816,476 = 1,816,476 : x
2. Step 2: Convert to fraction form
   846,840/1,816,476 = 1,816,476/x
3. Step 3: Cross multiply
   846,840x = 1,816,476 × 1,816,476
4. Step 4: Simplify right side
   846,840x = 3,299,585,058,576
5. Step 5: Solve for x
   x = 3,299,585,058,576/846,840
6. Step 6: Final answer
   x = 3,896,350.03