Finding the Third Proportional to 50,696 and 121,978

Step by Step Solution

1. Step 1: Write the proportion equation
   50,696 : 121,978 = 121,978 : x
2. Step 2: Convert to fraction form
   50,696/121,978 = 121,978/x
3. Step 3: Cross multiply
   50,696x = 121,978 × 121,978
4. Step 4: Simplify right side
   50,696x = 14,878,632,484
5. Step 5: Solve for x
   x = 14,878,632,484/50,696
6. Step 6: Final answer
   x = 293,487.31