Finding the Third Proportional to 1,629,942 and 3,540,372

Step by Step Solution

1. Step 1: Write the proportion equation
   1,629,942 : 3,540,372 = 3,540,372 : x
2. Step 2: Convert to fraction form
   1,629,942/3,540,372 = 3,540,372/x
3. Step 3: Cross multiply
   1,629,942x = 3,540,372 × 3,540,372
4. Step 4: Simplify right side
   1,629,942x = 12,534,233,898,384
5. Step 5: Solve for x
   x = 12,534,233,898,384/1,629,942
6. Step 6: Final answer
   x = 7,689,987.68