Finding the Third Proportional to 1,668,842 and 3,589,180

Step by Step Solution

1. Step 1: Write the proportion equation
   1,668,842 : 3,589,180 = 3,589,180 : x
2. Step 2: Convert to fraction form
   1,668,842/3,589,180 = 3,589,180/x
3. Step 3: Cross multiply
   1,668,842x = 3,589,180 × 3,589,180
4. Step 4: Simplify right side
   1,668,842x = 12,882,213,072,400
5. Step 5: Solve for x
   x = 12,882,213,072,400/1,668,842
6. Step 6: Final answer
   x = 7,719,252.67