Finding the Third Proportional to 1,970,342 and 4,244,638

Step by Step Solution

1. Step 1: Write the proportion equation
   1,970,342 : 4,244,638 = 4,244,638 : x
2. Step 2: Convert to fraction form
   1,970,342/4,244,638 = 4,244,638/x
3. Step 3: Cross multiply
   1,970,342x = 4,244,638 × 4,244,638
4. Step 4: Simplify right side
   1,970,342x = 18,016,951,751,044
5. Step 5: Solve for x
   x = 18,016,951,751,044/1,970,342
6. Step 6: Final answer
   x = 9,144,073.34