Finding the Third Proportional to 1,519,717 and 3,291,623

Step by Step Solution

1. Step 1: Write the proportion equation
   1,519,717 : 3,291,623 = 3,291,623 : x
2. Step 2: Convert to fraction form
   1,519,717/3,291,623 = 3,291,623/x
3. Step 3: Cross multiply
   1,519,717x = 3,291,623 × 3,291,623
4. Step 4: Simplify right side
   1,519,717x = 10,834,781,974,129
5. Step 5: Solve for x
   x = 10,834,781,974,129/1,519,717
6. Step 6: Final answer
   x = 7,129,473.43