Finding the Third Proportional to 1,666,234 and 3,450,620

Step by Step Solution

1. Step 1: Write the proportion equation
   1,666,234 : 3,450,620 = 3,450,620 : x
2. Step 2: Convert to fraction form
   1,666,234/3,450,620 = 3,450,620/x
3. Step 3: Cross multiply
   1,666,234x = 3,450,620 × 3,450,620
4. Step 4: Simplify right side
   1,666,234x = 11,906,778,384,400
5. Step 5: Solve for x
   x = 11,906,778,384,400/1,666,234
6. Step 6: Final answer
   x = 7,145,922.11