Finding the Third Proportional to 259,404.75 and 558,832.50

Step by Step Solution

1. Step 1: Write the proportion equation
   259,404.75 : 558,832.50 = 558,832.50 : x
2. Step 2: Convert to fraction form
   259,404.75/558,832.50 = 558,832.50/x
3. Step 3: Cross multiply
   259,404.75x = 558,832.50 × 558,832.50
4. Step 4: Simplify right side
   259,404.75x = 312,293,763,056.25
5. Step 5: Solve for x
   x = 312,293,763,056.25/259,404.75
6. Step 6: Final answer
   x = 1,203,886.06