Finding the Third Proportional to 1,144,639 and 1,554,571

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144,639 : 1,554,571 = 1,554,571 : x
2. Step 2: Convert to fraction form
   1,144,639/1,554,571 = 1,554,571/x
3. Step 3: Cross multiply
   1,144,639x = 1,554,571 × 1,554,571
4. Step 4: Simplify right side
   1,144,639x = 2,416,690,994,041
5. Step 5: Solve for x
   x = 2,416,690,994,041/1,144,639
6. Step 6: Final answer
   x = 2,111,312.82