Finding the Third Proportional to 50,882 and 78,878

Step by Step Solution

1. Step 1: Write the proportion equation
   50,882 : 78,878 = 78,878 : x
2. Step 2: Convert to fraction form
   50,882/78,878 = 78,878/x
3. Step 3: Cross multiply
   50,882x = 78,878 × 78,878
4. Step 4: Simplify right side
   50,882x = 6,221,738,884
5. Step 5: Solve for x
   x = 6,221,738,884/50,882
6. Step 6: Final answer
   x = 122,277.80