Finding the Third Proportional to 846,856 and 1,816,507

Step by Step Solution

1. Step 1: Write the proportion equation
   846,856 : 1,816,507 = 1,816,507 : x
2. Step 2: Convert to fraction form
   846,856/1,816,507 = 1,816,507/x
3. Step 3: Cross multiply
   846,856x = 1,816,507 × 1,816,507
4. Step 4: Simplify right side
   846,856x = 3,299,697,681,049
5. Step 5: Solve for x
   x = 3,299,697,681,049/846,856
6. Step 6: Final answer
   x = 3,896,409.40