Finding the Third Proportional to 50,995 and 78,769.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,995 : 78,769.50 = 78,769.50 : x
2. Step 2: Convert to fraction form
   50,995/78,769.50 = 78,769.50/x
3. Step 3: Cross multiply
   50,995x = 78,769.50 × 78,769.50
4. Step 4: Simplify right side
   50,995x = 6,204,634,130.25
5. Step 5: Solve for x
   x = 6,204,634,130.25/50,995
6. Step 6: Final answer
   x = 121,671.42