Finding the Third Proportional to 1,663,806 and 3,579,805

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663,806 : 3,579,805 = 3,579,805 : x
2. Step 2: Convert to fraction form
   1,663,806/3,579,805 = 3,579,805/x
3. Step 3: Cross multiply
   1,663,806x = 3,579,805 × 3,579,805
4. Step 4: Simplify right side
   1,663,806x = 12,815,003,838,025
5. Step 5: Solve for x
   x = 12,815,003,838,025/1,663,806
6. Step 6: Final answer
   x = 7,702,222.40