Finding the Third Proportional to 1,902,503 and 4,439,999

Step by Step Solution

1. Step 1: Write the proportion equation
   1,902,503 : 4,439,999 = 4,439,999 : x
2. Step 2: Convert to fraction form
   1,902,503/4,439,999 = 4,439,999/x
3. Step 3: Cross multiply
   1,902,503x = 4,439,999 × 4,439,999
4. Step 4: Simplify right side
   1,902,503x = 19,713,591,120,001
5. Step 5: Solve for x
   x = 19,713,591,120,001/1,902,503
6. Step 6: Final answer
   x = 10,361,923.80