Finding the Third Proportional to 141,777 and 219,550.50

Step by Step Solution

1. Step 1: Write the proportion equation
   141,777 : 219,550.50 = 219,550.50 : x
2. Step 2: Convert to fraction form
   141,777/219,550.50 = 219,550.50/x
3. Step 3: Cross multiply
   141,777x = 219,550.50 × 219,550.50
4. Step 4: Simplify right side
   141,777x = 48,202,422,050.25
5. Step 5: Solve for x
   x = 48,202,422,050.25/141,777
6. Step 6: Final answer
   x = 339,987.60