Finding the Third Proportional to 1,659,331 and 3,610,678

Step by Step Solution

1. Step 1: Write the proportion equation
   1,659,331 : 3,610,678 = 3,610,678 : x
2. Step 2: Convert to fraction form
   1,659,331/3,610,678 = 3,610,678/x
3. Step 3: Cross multiply
   1,659,331x = 3,610,678 × 3,610,678
4. Step 4: Simplify right side
   1,659,331x = 13,036,995,619,684
5. Step 5: Solve for x
   x = 13,036,995,619,684/1,659,331
6. Step 6: Final answer
   x = 7,856,778.20