Finding the Third Proportional to 1,668,162 and 3,642,138

Step by Step Solution

1. Step 1: Write the proportion equation
   1,668,162 : 3,642,138 = 3,642,138 : x
2. Step 2: Convert to fraction form
   1,668,162/3,642,138 = 3,642,138/x
3. Step 3: Cross multiply
   1,668,162x = 3,642,138 × 3,642,138
4. Step 4: Simplify right side
   1,668,162x = 13,265,169,211,044
5. Step 5: Solve for x
   x = 13,265,169,211,044/1,668,162
6. Step 6: Final answer
   x = 7,951,967.02