Finding the Third Proportional to 477,983 and 978,018

Step by Step Solution

1. Step 1: Write the proportion equation
   477,983 : 978,018 = 978,018 : x
2. Step 2: Convert to fraction form
   477,983/978,018 = 978,018/x
3. Step 3: Cross multiply
   477,983x = 978,018 × 978,018
4. Step 4: Simplify right side
   477,983x = 956,519,208,324
5. Step 5: Solve for x
   x = 956,519,208,324/477,983
6. Step 6: Final answer
   x = 2,001,157.38