Finding the Third Proportional to 50,812 and 67,881

Step by Step Solution

1. Step 1: Write the proportion equation
   50,812 : 67,881 = 67,881 : x
2. Step 2: Convert to fraction form
   50,812/67,881 = 67,881/x
3. Step 3: Cross multiply
   50,812x = 67,881 × 67,881
4. Step 4: Simplify right side
   50,812x = 4,607,830,161
5. Step 5: Solve for x
   x = 4,607,830,161/50,812
6. Step 6: Final answer
   x = 90,683.90