Finding the Third Proportional to 1,328,678 and 2,063,017

Step by Step Solution

1. Step 1: Write the proportion equation
   1,328,678 : 2,063,017 = 2,063,017 : x
2. Step 2: Convert to fraction form
   1,328,678/2,063,017 = 2,063,017/x
3. Step 3: Cross multiply
   1,328,678x = 2,063,017 × 2,063,017
4. Step 4: Simplify right side
   1,328,678x = 4,256,039,142,289
5. Step 5: Solve for x
   x = 4,256,039,142,289/1,328,678
6. Step 6: Final answer
   x = 3,203,213.38