Finding the Third Proportional to 1,968,644 and 2,815,142

Step by Step Solution

1. Step 1: Write the proportion equation
   1,968,644 : 2,815,142 = 2,815,142 : x
2. Step 2: Convert to fraction form
   1,968,644/2,815,142 = 2,815,142/x
3. Step 3: Cross multiply
   1,968,644x = 2,815,142 × 2,815,142
4. Step 4: Simplify right side
   1,968,644x = 7,925,024,480,164
5. Step 5: Solve for x
   x = 7,925,024,480,164/1,968,644
6. Step 6: Final answer
   x = 4,025,626.00