Finding the Third Proportional to 1,666,242 and 3,450,636

Step by Step Solution

1. Step 1: Write the proportion equation
   1,666,242 : 3,450,636 = 3,450,636 : x
2. Step 2: Convert to fraction form
   1,666,242/3,450,636 = 3,450,636/x
3. Step 3: Cross multiply
   1,666,242x = 3,450,636 × 3,450,636
4. Step 4: Simplify right side
   1,666,242x = 11,906,888,804,496
5. Step 5: Solve for x
   x = 11,906,888,804,496/1,666,242
6. Step 6: Final answer
   x = 7,145,954.07