Finding the Third Proportional to 1,978,668 and 2,956,356

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978,668 : 2,956,356 = 2,956,356 : x
2. Step 2: Convert to fraction form
   1,978,668/2,956,356 = 2,956,356/x
3. Step 3: Cross multiply
   1,978,668x = 2,956,356 × 2,956,356
4. Step 4: Simplify right side
   1,978,668x = 8,740,040,798,736
5. Step 5: Solve for x
   x = 8,740,040,798,736/1,978,668
6. Step 6: Final answer
   x = 4,417,133.55