Finding the Third Proportional to 2,112,608 and 4,561,888

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112,608 : 4,561,888 = 4,561,888 : x
2. Step 2: Convert to fraction form
   2,112,608/4,561,888 = 4,561,888/x
3. Step 3: Cross multiply
   2,112,608x = 4,561,888 × 4,561,888
4. Step 4: Simplify right side
   2,112,608x = 20,810,822,124,544
5. Step 5: Solve for x
   x = 20,810,822,124,544/2,112,608
6. Step 6: Final answer
   x = 9,850,773.13