Finding the Third Proportional to 2,019,623 and 4,322,931

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019,623 : 4,322,931 = 4,322,931 : x
2. Step 2: Convert to fraction form
   2,019,623/4,322,931 = 4,322,931/x
3. Step 3: Cross multiply
   2,019,623x = 4,322,931 × 4,322,931
4. Step 4: Simplify right side
   2,019,623x = 18,687,732,430,761
5. Step 5: Solve for x
   x = 18,687,732,430,761/2,019,623
6. Step 6: Final answer
   x = 9,253,079.62