Finding the Third Proportional to 802,998 and 1,783,142

Step by Step Solution

1. Step 1: Write the proportion equation
   802,998 : 1,783,142 = 1,783,142 : x
2. Step 2: Convert to fraction form
   802,998/1,783,142 = 1,783,142/x
3. Step 3: Cross multiply
   802,998x = 1,783,142 × 1,783,142
4. Step 4: Simplify right side
   802,998x = 3,179,595,392,164
5. Step 5: Solve for x
   x = 3,179,595,392,164/802,998
6. Step 6: Final answer
   x = 3,959,655.43