Finding the Third Proportional to 1,015,605 and 1,577,638

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015,605 : 1,577,638 = 1,577,638 : x
2. Step 2: Convert to fraction form
   1,015,605/1,577,638 = 1,577,638/x
3. Step 3: Cross multiply
   1,015,605x = 1,577,638 × 1,577,638
4. Step 4: Simplify right side
   1,015,605x = 2,488,941,659,044
5. Step 5: Solve for x
   x = 2,488,941,659,044/1,015,605
6. Step 6: Final answer
   x = 2,450,698.51