Finding the Third Proportional to 5,150,910 and 10,172,112

Step by Step Solution

1. Step 1: Write the proportion equation
   5,150,910 : 10,172,112 = 10,172,112 : x
2. Step 2: Convert to fraction form
   5,150,910/10,172,112 = 10,172,112/x
3. Step 3: Cross multiply
   5,150,910x = 10,172,112 × 10,172,112
4. Step 4: Simplify right side
   5,150,910x = 103,471,862,540,544
5. Step 5: Solve for x
   x = 103,471,862,540,544/5,150,910
6. Step 6: Final answer
   x = 20,088,074.25