Finding the Third Proportional to 199,578 and 236,482.50

Step by Step Solution

1. Step 1: Write the proportion equation
   199,578 : 236,482.50 = 236,482.50 : x
2. Step 2: Convert to fraction form
   199,578/236,482.50 = 236,482.50/x
3. Step 3: Cross multiply
   199,578x = 236,482.50 × 236,482.50
4. Step 4: Simplify right side
   199,578x = 55,923,972,806.25
5. Step 5: Solve for x
   x = 55,923,972,806.25/199,578
6. Step 6: Final answer
   x = 280,211.11