Finding the Third Proportional to 50,315.50 and 74,015

Step by Step Solution

1. Step 1: Write the proportion equation
   50,315.50 : 74,015 = 74,015 : x
2. Step 2: Convert to fraction form
   50,315.50/74,015 = 74,015/x
3. Step 3: Cross multiply
   50,315.50x = 74,015 × 74,015
4. Step 4: Simplify right side
   50,315.50x = 5,478,220,225
5. Step 5: Solve for x
   x = 5,478,220,225/50,315.50
6. Step 6: Final answer
   x = 108,877.39