Finding the Third Proportional to 1,869,984 and 4,039,018

Step by Step Solution

1. Step 1: Write the proportion equation
   1,869,984 : 4,039,018 = 4,039,018 : x
2. Step 2: Convert to fraction form
   1,869,984/4,039,018 = 4,039,018/x
3. Step 3: Cross multiply
   1,869,984x = 4,039,018 × 4,039,018
4. Step 4: Simplify right side
   1,869,984x = 16,313,666,404,324
5. Step 5: Solve for x
   x = 16,313,666,404,324/1,869,984
6. Step 6: Final answer
   x = 8,723,960.42