Finding the Third Proportional to 2,134,686 and 4,648,235

Step by Step Solution

1. Step 1: Write the proportion equation
   2,134,686 : 4,648,235 = 4,648,235 : x
2. Step 2: Convert to fraction form
   2,134,686/4,648,235 = 4,648,235/x
3. Step 3: Cross multiply
   2,134,686x = 4,648,235 × 4,648,235
4. Step 4: Simplify right side
   2,134,686x = 21,606,088,615,225
5. Step 5: Solve for x
   x = 21,606,088,615,225/2,134,686
6. Step 6: Final answer
   x = 10,121,436.42