Finding the Third Proportional to 838,443 and 1,809,656

Step by Step Solution

1. Step 1: Write the proportion equation
   838,443 : 1,809,656 = 1,809,656 : x
2. Step 2: Convert to fraction form
   838,443/1,809,656 = 1,809,656/x
3. Step 3: Cross multiply
   838,443x = 1,809,656 × 1,809,656
4. Step 4: Simplify right side
   838,443x = 3,274,854,838,336
5. Step 5: Solve for x
   x = 3,274,854,838,336/838,443
6. Step 6: Final answer
   x = 3,905,876.53