Finding the Third Proportional to 263,021.50 and 558,848

Step by Step Solution

1. Step 1: Write the proportion equation
   263,021.50 : 558,848 = 558,848 : x
2. Step 2: Convert to fraction form
   263,021.50/558,848 = 558,848/x
3. Step 3: Cross multiply
   263,021.50x = 558,848 × 558,848
4. Step 4: Simplify right side
   263,021.50x = 312,311,087,104
5. Step 5: Solve for x
   x = 312,311,087,104/263,021.50
6. Step 6: Final answer
   x = 1,187,397.56