Finding the Third Proportional to 50,780 and 74,435

Step by Step Solution

1. Step 1: Write the proportion equation
   50,780 : 74,435 = 74,435 : x
2. Step 2: Convert to fraction form
   50,780/74,435 = 74,435/x
3. Step 3: Cross multiply
   50,780x = 74,435 × 74,435
4. Step 4: Simplify right side
   50,780x = 5,540,569,225
5. Step 5: Solve for x
   x = 5,540,569,225/50,780
6. Step 6: Final answer
   x = 109,109.28