Finding the Third Proportional to 11,776,878 and 17,724,285

Step by Step Solution

1. Step 1: Write the proportion equation
   11,776,878 : 17,724,285 = 17,724,285 : x
2. Step 2: Convert to fraction form
   11,776,878/17,724,285 = 17,724,285/x
3. Step 3: Cross multiply
   11,776,878x = 17,724,285 × 17,724,285
4. Step 4: Simplify right side
   11,776,878x = 314,150,278,761,225
5. Step 5: Solve for x
   x = 314,150,278,761,225/11,776,878
6. Step 6: Final answer
   x = 26,675,174.76