Finding the Third Proportional to 173,067,264 and 259,061,760

Step by Step Solution

1. Step 1: Write the proportion equation
   173,067,264 : 259,061,760 = 259,061,760 : x
2. Step 2: Convert to fraction form
   173,067,264/259,061,760 = 259,061,760/x
3. Step 3: Cross multiply
   173,067,264x = 259,061,760 × 259,061,760
4. Step 4: Simplify right side
   173,067,264x = 67,112,995,494,297,600
5. Step 5: Solve for x
   x = 67,112,995,494,297,600/173,067,264
6. Step 6: Final answer
   x = 387,785,615.51