Finding the Third Proportional to 1,663,812 and 3,579,818

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663,812 : 3,579,818 = 3,579,818 : x
2. Step 2: Convert to fraction form
   1,663,812/3,579,818 = 3,579,818/x
3. Step 3: Cross multiply
   1,663,812x = 3,579,818 × 3,579,818
4. Step 4: Simplify right side
   1,663,812x = 12,815,096,913,124
5. Step 5: Solve for x
   x = 12,815,096,913,124/1,663,812
6. Step 6: Final answer
   x = 7,702,250.56