Finding the Third Proportional to 809,910 and 1,772,372

Step by Step Solution

1. Step 1: Write the proportion equation
   809,910 : 1,772,372 = 1,772,372 : x
2. Step 2: Convert to fraction form
   809,910/1,772,372 = 1,772,372/x
3. Step 3: Cross multiply
   809,910x = 1,772,372 × 1,772,372
4. Step 4: Simplify right side
   809,910x = 3,141,302,506,384
5. Step 5: Solve for x
   x = 3,141,302,506,384/809,910
6. Step 6: Final answer
   x = 3,878,582.20