Finding the Third Proportional to 1,666,230 and 3,450,612

Step by Step Solution

1. Step 1: Write the proportion equation
   1,666,230 : 3,450,612 = 3,450,612 : x
2. Step 2: Convert to fraction form
   1,666,230/3,450,612 = 3,450,612/x
3. Step 3: Cross multiply
   1,666,230x = 3,450,612 × 3,450,612
4. Step 4: Simplify right side
   1,666,230x = 11,906,723,174,544
5. Step 5: Solve for x
   x = 11,906,723,174,544/1,666,230
6. Step 6: Final answer
   x = 7,145,906.13