Finding the Third Proportional to 809,856 and 1,772,244

Step by Step Solution

1. Step 1: Write the proportion equation
   809,856 : 1,772,244 = 1,772,244 : x
2. Step 2: Convert to fraction form
   809,856/1,772,244 = 1,772,244/x
3. Step 3: Cross multiply
   809,856x = 1,772,244 × 1,772,244
4. Step 4: Simplify right side
   809,856x = 3,140,848,795,536
5. Step 5: Solve for x
   x = 3,140,848,795,536/809,856
6. Step 6: Final answer
   x = 3,878,280.58