Finding the Third Proportional to 259,848 and 558,373.50

Step by Step Solution

1. Step 1: Write the proportion equation
   259,848 : 558,373.50 = 558,373.50 : x
2. Step 2: Convert to fraction form
   259,848/558,373.50 = 558,373.50/x
3. Step 3: Cross multiply
   259,848x = 558,373.50 × 558,373.50
4. Step 4: Simplify right side
   259,848x = 311,780,965,502.25
5. Step 5: Solve for x
   x = 311,780,965,502.25/259,848
6. Step 6: Final answer
   x = 1,199,859.02