Finding the Third Proportional to 1,962,978 and 4,313,444

Step by Step Solution

1. Step 1: Write the proportion equation
   1,962,978 : 4,313,444 = 4,313,444 : x
2. Step 2: Convert to fraction form
   1,962,978/4,313,444 = 4,313,444/x
3. Step 3: Cross multiply
   1,962,978x = 4,313,444 × 4,313,444
4. Step 4: Simplify right side
   1,962,978x = 18,605,799,141,136
5. Step 5: Solve for x
   x = 18,605,799,141,136/1,962,978
6. Step 6: Final answer
   x = 9,478,353.37