Finding the Third Proportional to 1,968,642 and 2,815,155

Step by Step Solution

1. Step 1: Write the proportion equation
   1,968,642 : 2,815,155 = 2,815,155 : x
2. Step 2: Convert to fraction form
   1,968,642/2,815,155 = 2,815,155/x
3. Step 3: Cross multiply
   1,968,642x = 2,815,155 × 2,815,155
4. Step 4: Simplify right side
   1,968,642x = 7,925,097,674,025
5. Step 5: Solve for x
   x = 7,925,097,674,025/1,968,642
6. Step 6: Final answer
   x = 4,025,667.27