Finding the Third Proportional to 978,111 and 2,019,078

Step by Step Solution

1. Step 1: Write the proportion equation
   978,111 : 2,019,078 = 2,019,078 : x
2. Step 2: Convert to fraction form
   978,111/2,019,078 = 2,019,078/x
3. Step 3: Cross multiply
   978,111x = 2,019,078 × 2,019,078
4. Step 4: Simplify right side
   978,111x = 4,076,675,970,084
5. Step 5: Solve for x
   x = 4,076,675,970,084/978,111
6. Step 6: Final answer
   x = 4,167,907.29