Finding the Third Proportional to 1,205,837 and 2,510,910

Step by Step Solution

1. Step 1: Write the proportion equation
   1,205,837 : 2,510,910 = 2,510,910 : x
2. Step 2: Convert to fraction form
   1,205,837/2,510,910 = 2,510,910/x
3. Step 3: Cross multiply
   1,205,837x = 2,510,910 × 2,510,910
4. Step 4: Simplify right side
   1,205,837x = 6,304,669,028,100
5. Step 5: Solve for x
   x = 6,304,669,028,100/1,205,837
6. Step 6: Final answer
   x = 5,228,458.76