Finding the Third Proportional to 1,220,742 and 2,651,638

Step by Step Solution

1. Step 1: Write the proportion equation
   1,220,742 : 2,651,638 = 2,651,638 : x
2. Step 2: Convert to fraction form
   1,220,742/2,651,638 = 2,651,638/x
3. Step 3: Cross multiply
   1,220,742x = 2,651,638 × 2,651,638
4. Step 4: Simplify right side
   1,220,742x = 7,031,184,083,044
5. Step 5: Solve for x
   x = 7,031,184,083,044/1,220,742
6. Step 6: Final answer
   x = 5,759,762.57