Finding the Third Proportional to 978,129 and 2,019,114

Step by Step Solution

1. Step 1: Write the proportion equation
   978,129 : 2,019,114 = 2,019,114 : x
2. Step 2: Convert to fraction form
   978,129/2,019,114 = 2,019,114/x
3. Step 3: Cross multiply
   978,129x = 2,019,114 × 2,019,114
4. Step 4: Simplify right side
   978,129x = 4,076,821,344,996
5. Step 5: Solve for x
   x = 4,076,821,344,996/978,129
6. Step 6: Final answer
   x = 4,167,979.22