Finding the Third Proportional to 1,663,811 and 3,579,816

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663,811 : 3,579,816 = 3,579,816 : x
2. Step 2: Convert to fraction form
   1,663,811/3,579,816 = 3,579,816/x
3. Step 3: Cross multiply
   1,663,811x = 3,579,816 × 3,579,816
4. Step 4: Simplify right side
   1,663,811x = 12,815,082,593,856
5. Step 5: Solve for x
   x = 12,815,082,593,856/1,663,811
6. Step 6: Final answer
   x = 7,702,246.59