Finding the Third Proportional to 1,663,814 and 3,579,822

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663,814 : 3,579,822 = 3,579,822 : x
2. Step 2: Convert to fraction form
   1,663,814/3,579,822 = 3,579,822/x
3. Step 3: Cross multiply
   1,663,814x = 3,579,822 × 3,579,822
4. Step 4: Simplify right side
   1,663,814x = 12,815,125,551,684
5. Step 5: Solve for x
   x = 12,815,125,551,684/1,663,814
6. Step 6: Final answer
   x = 7,702,258.52