Finding the Third Proportional to 802,992 and 1,783,128

Step by Step Solution

1. Step 1: Write the proportion equation
   802,992 : 1,783,128 = 1,783,128 : x
2. Step 2: Convert to fraction form
   802,992/1,783,128 = 1,783,128/x
3. Step 3: Cross multiply
   802,992x = 1,783,128 × 1,783,128
4. Step 4: Simplify right side
   802,992x = 3,179,545,464,384
5. Step 5: Solve for x
   x = 3,179,545,464,384/802,992
6. Step 6: Final answer
   x = 3,959,622.84