Finding the Third Proportional to 10,161,168 and 21,917,760

Step by Step Solution

1. Step 1: Write the proportion equation
   10,161,168 : 21,917,760 = 21,917,760 : x
2. Step 2: Convert to fraction form
   10,161,168/21,917,760 = 21,917,760/x
3. Step 3: Cross multiply
   10,161,168x = 21,917,760 × 21,917,760
4. Step 4: Simplify right side
   10,161,168x = 480,388,203,417,600
5. Step 5: Solve for x
   x = 480,388,203,417,600/10,161,168
6. Step 6: Final answer
   x = 47,276,868.51