Finding the Third Proportional to 173,067,268 and 259,061,766

Step by Step Solution

1. Step 1: Write the proportion equation
   173,067,268 : 259,061,766 = 259,061,766 : x
2. Step 2: Convert to fraction form
   173,067,268/259,061,766 = 259,061,766/x
3. Step 3: Cross multiply
   173,067,268x = 259,061,766 × 259,061,766
4. Step 4: Simplify right side
   173,067,268x = 67,112,998,603,038,752
5. Step 5: Solve for x
   x = 67,112,998,603,038,752/173,067,268
6. Step 6: Final answer
   x = 387,785,624.51