Finding the Third Proportional to 1,117,866 and 2,412,789

Step by Step Solution

1. Step 1: Write the proportion equation
   1,117,866 : 2,412,789 = 2,412,789 : x
2. Step 2: Convert to fraction form
   1,117,866/2,412,789 = 2,412,789/x
3. Step 3: Cross multiply
   1,117,866x = 2,412,789 × 2,412,789
4. Step 4: Simplify right side
   1,117,866x = 5,821,550,758,521
5. Step 5: Solve for x
   x = 5,821,550,758,521/1,117,866
6. Step 6: Final answer
   x = 5,207,735.77