Finding the Third Proportional to 803,408 and 1,783,072

Step by Step Solution

1. Step 1: Write the proportion equation
   803,408 : 1,783,072 = 1,783,072 : x
2. Step 2: Convert to fraction form
   803,408/1,783,072 = 1,783,072/x
3. Step 3: Cross multiply
   803,408x = 1,783,072 × 1,783,072
4. Step 4: Simplify right side
   803,408x = 3,179,345,757,184
5. Step 5: Solve for x
   x = 3,179,345,757,184/803,408
6. Step 6: Final answer
   x = 3,957,324.00