Finding the Third Proportional to 2,019,864 and 4,319,663

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019,864 : 4,319,663 = 4,319,663 : x
2. Step 2: Convert to fraction form
   2,019,864/4,319,663 = 4,319,663/x
3. Step 3: Cross multiply
   2,019,864x = 4,319,663 × 4,319,663
4. Step 4: Simplify right side
   2,019,864x = 18,659,488,433,569
5. Step 5: Solve for x
   x = 18,659,488,433,569/2,019,864
6. Step 6: Final answer
   x = 9,237,992.48