Finding the Third Proportional to 1,039,554 and 2,277,639

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039,554 : 2,277,639 = 2,277,639 : x
2. Step 2: Convert to fraction form
   1,039,554/2,277,639 = 2,277,639/x
3. Step 3: Cross multiply
   1,039,554x = 2,277,639 × 2,277,639
4. Step 4: Simplify right side
   1,039,554x = 5,187,639,414,321
5. Step 5: Solve for x
   x = 5,187,639,414,321/1,039,554
6. Step 6: Final answer
   x = 4,990,254.87