Finding the Third Proportional to 902,586 and 1,982,288

Step by Step Solution

1. Step 1: Write the proportion equation
   902,586 : 1,982,288 = 1,982,288 : x
2. Step 2: Convert to fraction form
   902,586/1,982,288 = 1,982,288/x
3. Step 3: Cross multiply
   902,586x = 1,982,288 × 1,982,288
4. Step 4: Simplify right side
   902,586x = 3,929,465,714,944
5. Step 5: Solve for x
   x = 3,929,465,714,944/902,586
6. Step 6: Final answer
   x = 4,353,563.78