Finding the Third Proportional to 50,490 and 76,959

Step by Step Solution

1. Step 1: Write the proportion equation
   50,490 : 76,959 = 76,959 : x
2. Step 2: Convert to fraction form
   50,490/76,959 = 76,959/x
3. Step 3: Cross multiply
   50,490x = 76,959 × 76,959
4. Step 4: Simplify right side
   50,490x = 5,922,687,681
5. Step 5: Solve for x
   x = 5,922,687,681/50,490
6. Step 6: Final answer
   x = 117,304.17