Finding the Third Proportional to 11,776,879 and 17,724,286

Step by Step Solution

1. Step 1: Write the proportion equation
   11,776,879 : 17,724,286 = 17,724,286 : x
2. Step 2: Convert to fraction form
   11,776,879/17,724,286 = 17,724,286/x
3. Step 3: Cross multiply
   11,776,879x = 17,724,286 × 17,724,286
4. Step 4: Simplify right side
   11,776,879x = 314,150,314,209,796
5. Step 5: Solve for x
   x = 314,150,314,209,796/11,776,879
6. Step 6: Final answer
   x = 26,675,175.50