Finding the Third Proportional to 50,803 and 77,216

Step by Step Solution

1. Step 1: Write the proportion equation
   50,803 : 77,216 = 77,216 : x
2. Step 2: Convert to fraction form
   50,803/77,216 = 77,216/x
3. Step 3: Cross multiply
   50,803x = 77,216 × 77,216
4. Step 4: Simplify right side
   50,803x = 5,962,310,656
5. Step 5: Solve for x
   x = 5,962,310,656/50,803
6. Step 6: Final answer
   x = 117,361.39