Finding the Third Proportional to 1,668,825 and 3,589,141.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,668,825 : 3,589,141.50 = 3,589,141.50 : x
2. Step 2: Convert to fraction form
   1,668,825/3,589,141.50 = 3,589,141.50/x
3. Step 3: Cross multiply
   1,668,825x = 3,589,141.50 × 3,589,141.50
4. Step 4: Simplify right side
   1,668,825x = 12,881,936,707,022.25
5. Step 5: Solve for x
   x = 12,881,936,707,022.25/1,668,825
6. Step 6: Final answer
   x = 7,719,165.70