Finding the Third Proportional to 50,443.50 and 78,057

Step by Step Solution

1. Step 1: Write the proportion equation
   50,443.50 : 78,057 = 78,057 : x
2. Step 2: Convert to fraction form
   50,443.50/78,057 = 78,057/x
3. Step 3: Cross multiply
   50,443.50x = 78,057 × 78,057
4. Step 4: Simplify right side
   50,443.50x = 6,092,895,249
5. Step 5: Solve for x
   x = 6,092,895,249/50,443.50
6. Step 6: Final answer
   x = 120,786.53