Finding the Third Proportional to 276,669 and 416,950.88

Step by Step Solution

1. Step 1: Write the proportion equation
   276,669 : 416,950.88 = 416,950.88 : x
2. Step 2: Convert to fraction form
   276,669/416,950.88 = 416,950.88/x
3. Step 3: Cross multiply
   276,669x = 416,950.88 × 416,950.88
4. Step 4: Simplify right side
   276,669x = 173,848,032,163.27
5. Step 5: Solve for x
   x = 173,848,032,163.27/276,669
6. Step 6: Final answer
   x = 628,361.08