Finding the Third Proportional to 4,248,066 and 9,173,018

Step by Step Solution

1. Step 1: Write the proportion equation
   4,248,066 : 9,173,018 = 9,173,018 : x
2. Step 2: Convert to fraction form
   4,248,066/9,173,018 = 9,173,018/x
3. Step 3: Cross multiply
   4,248,066x = 9,173,018 × 9,173,018
4. Step 4: Simplify right side
   4,248,066x = 84,144,259,228,324
5. Step 5: Solve for x
   x = 84,144,259,228,324/4,248,066
6. Step 6: Final answer
   x = 19,807,662.88