Finding the Third Proportional to 1,581,878 and 3,412,588

Step by Step Solution

1. Step 1: Write the proportion equation
   1,581,878 : 3,412,588 = 3,412,588 : x
2. Step 2: Convert to fraction form
   1,581,878/3,412,588 = 3,412,588/x
3. Step 3: Cross multiply
   1,581,878x = 3,412,588 × 3,412,588
4. Step 4: Simplify right side
   1,581,878x = 11,645,756,857,744
5. Step 5: Solve for x
   x = 11,645,756,857,744/1,581,878
6. Step 6: Final answer
   x = 7,361,981.68