Finding the Third Proportional to 2,141,820 and 4,656,888

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141,820 : 4,656,888 = 4,656,888 : x
2. Step 2: Convert to fraction form
   2,141,820/4,656,888 = 4,656,888/x
3. Step 3: Cross multiply
   2,141,820x = 4,656,888 × 4,656,888
4. Step 4: Simplify right side
   2,141,820x = 21,686,605,844,544
5. Step 5: Solve for x
   x = 21,686,605,844,544/2,141,820
6. Step 6: Final answer
   x = 10,125,316.71