Finding the Third Proportional to 2,019,867 and 4,319,670

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019,867 : 4,319,670 = 4,319,670 : x
2. Step 2: Convert to fraction form
   2,019,867/4,319,670 = 4,319,670/x
3. Step 3: Cross multiply
   2,019,867x = 4,319,670 × 4,319,670
4. Step 4: Simplify right side
   2,019,867x = 18,659,548,908,900
5. Step 5: Solve for x
   x = 18,659,548,908,900/2,019,867
6. Step 6: Final answer
   x = 9,238,008.70