Finding the Third Proportional to 50,716 and 74,638

Step by Step Solution

1. Step 1: Write the proportion equation
   50,716 : 74,638 = 74,638 : x
2. Step 2: Convert to fraction form
   50,716/74,638 = 74,638/x
3. Step 3: Cross multiply
   50,716x = 74,638 × 74,638
4. Step 4: Simplify right side
   50,716x = 5,570,831,044
5. Step 5: Solve for x
   x = 5,570,831,044/50,716
6. Step 6: Final answer
   x = 109,843.66