Finding the Third Proportional to 1,629,639 and 3,507,786

Step by Step Solution

1. Step 1: Write the proportion equation
   1,629,639 : 3,507,786 = 3,507,786 : x
2. Step 2: Convert to fraction form
   1,629,639/3,507,786 = 3,507,786/x
3. Step 3: Cross multiply
   1,629,639x = 3,507,786 × 3,507,786
4. Step 4: Simplify right side
   1,629,639x = 12,304,562,621,796
5. Step 5: Solve for x
   x = 12,304,562,621,796/1,629,639
6. Step 6: Final answer
   x = 7,550,483.65