Finding the Third Proportional to 1,637,586 and 3,554,892

Step by Step Solution

1. Step 1: Write the proportion equation
   1,637,586 : 3,554,892 = 3,554,892 : x
2. Step 2: Convert to fraction form
   1,637,586/3,554,892 = 3,554,892/x
3. Step 3: Cross multiply
   1,637,586x = 3,554,892 × 3,554,892
4. Step 4: Simplify right side
   1,637,586x = 12,637,257,131,664
5. Step 5: Solve for x
   x = 12,637,257,131,664/1,637,586
6. Step 6: Final answer
   x = 7,717,003.65