Finding the Third Proportional to 253,558 and 550,898

Step by Step Solution

1. Step 1: Write the proportion equation
   253,558 : 550,898 = 550,898 : x
2. Step 2: Convert to fraction form
   253,558/550,898 = 550,898/x
3. Step 3: Cross multiply
   253,558x = 550,898 × 550,898
4. Step 4: Simplify right side
   253,558x = 303,488,606,404
5. Step 5: Solve for x
   x = 303,488,606,404/253,558
6. Step 6: Final answer
   x = 1,196,919.86