Finding the Third Proportional to 1,971,108 and 4,236,678

Step by Step Solution

1. Step 1: Write the proportion equation
   1,971,108 : 4,236,678 = 4,236,678 : x
2. Step 2: Convert to fraction form
   1,971,108/4,236,678 = 4,236,678/x
3. Step 3: Cross multiply
   1,971,108x = 4,236,678 × 4,236,678
4. Step 4: Simplify right side
   1,971,108x = 17,949,440,475,684
5. Step 5: Solve for x
   x = 17,949,440,475,684/1,971,108
6. Step 6: Final answer
   x = 9,106,269.41