Finding the Third Proportional to 2,405,896 and 5,010,840

Step by Step Solution

1. Step 1: Write the proportion equation
   2,405,896 : 5,010,840 = 5,010,840 : x
2. Step 2: Convert to fraction form
   2,405,896/5,010,840 = 5,010,840/x
3. Step 3: Cross multiply
   2,405,896x = 5,010,840 × 5,010,840
4. Step 4: Simplify right side
   2,405,896x = 25,108,517,505,600
5. Step 5: Solve for x
   x = 25,108,517,505,600/2,405,896
6. Step 6: Final answer
   x = 10,436,243.92