Finding the Third Proportional to 42,779 and 99,950

Step by Step Solution

1. Step 1: Write the proportion equation
   42,779 : 99,950 = 99,950 : x
2. Step 2: Convert to fraction form
   42,779/99,950 = 99,950/x
3. Step 3: Cross multiply
   42,779x = 99,950 × 99,950
4. Step 4: Simplify right side
   42,779x = 9,990,002,500
5. Step 5: Solve for x
   x = 9,990,002,500/42,779
6. Step 6: Final answer
   x = 233,525.85