Finding the Third Proportional to 10,239,066 and 21,997,686

Step by Step Solution

1. Step 1: Write the proportion equation
   10,239,066 : 21,997,686 = 21,997,686 : x
2. Step 2: Convert to fraction form
   10,239,066/21,997,686 = 21,997,686/x
3. Step 3: Cross multiply
   10,239,066x = 21,997,686 × 21,997,686
4. Step 4: Simplify right side
   10,239,066x = 483,898,189,354,596
5. Step 5: Solve for x
   x = 483,898,189,354,596/10,239,066
6. Step 6: Final answer
   x = 47,259,993.18