Finding the Third Proportional to 268,203 and 558,451.50

Step by Step Solution

1. Step 1: Write the proportion equation
   268,203 : 558,451.50 = 558,451.50 : x
2. Step 2: Convert to fraction form
   268,203/558,451.50 = 558,451.50/x
3. Step 3: Cross multiply
   268,203x = 558,451.50 × 558,451.50
4. Step 4: Simplify right side
   268,203x = 311,868,077,852.25
5. Step 5: Solve for x
   x = 311,868,077,852.25/268,203
6. Step 6: Final answer
   x = 1,162,806.08