Finding the Third Proportional to 354,796.88 and 550,881

Step by Step Solution

1. Step 1: Write the proportion equation
   354,796.88 : 550,881 = 550,881 : x
2. Step 2: Convert to fraction form
   354,796.88/550,881 = 550,881/x
3. Step 3: Cross multiply
   354,796.88x = 550,881 × 550,881
4. Step 4: Simplify right side
   354,796.88x = 303,469,876,161
5. Step 5: Solve for x
   x = 303,469,876,161/354,796.88
6. Step 6: Final answer
   x = 855,334.13