Finding the Third Proportional to 2,129,844 and 4,632,864

Step by Step Solution

1. Step 1: Write the proportion equation
   2,129,844 : 4,632,864 = 4,632,864 : x
2. Step 2: Convert to fraction form
   2,129,844/4,632,864 = 4,632,864/x
3. Step 3: Cross multiply
   2,129,844x = 4,632,864 × 4,632,864
4. Step 4: Simplify right side
   2,129,844x = 21,463,428,842,496
5. Step 5: Solve for x
   x = 21,463,428,842,496/2,129,844
6. Step 6: Final answer
   x = 10,077,465.22