Finding the Third Proportional to 846,870 and 1,816,536

Step by Step Solution

1. Step 1: Write the proportion equation
   846,870 : 1,816,536 = 1,816,536 : x
2. Step 2: Convert to fraction form
   846,870/1,816,536 = 1,816,536/x
3. Step 3: Cross multiply
   846,870x = 1,816,536 × 1,816,536
4. Step 4: Simplify right side
   846,870x = 3,299,803,039,296
5. Step 5: Solve for x
   x = 3,299,803,039,296/846,870
6. Step 6: Final answer
   x = 3,896,469.40