Finding the Third Proportional to 838,433 and 1,809,706

Step by Step Solution

1. Step 1: Write the proportion equation
   838,433 : 1,809,706 = 1,809,706 : x
2. Step 2: Convert to fraction form
   838,433/1,809,706 = 1,809,706/x
3. Step 3: Cross multiply
   838,433x = 1,809,706 × 1,809,706
4. Step 4: Simplify right side
   838,433x = 3,275,035,806,436
5. Step 5: Solve for x
   x = 3,275,035,806,436/838,433
6. Step 6: Final answer
   x = 3,906,138.96