Finding the Third Proportional to 1,637,589 and 3,554,898

Step by Step Solution

1. Step 1: Write the proportion equation
   1,637,589 : 3,554,898 = 3,554,898 : x
2. Step 2: Convert to fraction form
   1,637,589/3,554,898 = 3,554,898/x
3. Step 3: Cross multiply
   1,637,589x = 3,554,898 × 3,554,898
4. Step 4: Simplify right side
   1,637,589x = 12,637,299,790,404
5. Step 5: Solve for x
   x = 12,637,299,790,404/1,637,589
6. Step 6: Final answer
   x = 7,717,015.56