Finding the Third Proportional to 50,212 and 74,020

Step by Step Solution

1. Step 1: Write the proportion equation
   50,212 : 74,020 = 74,020 : x
2. Step 2: Convert to fraction form
   50,212/74,020 = 74,020/x
3. Step 3: Cross multiply
   50,212x = 74,020 × 74,020
4. Step 4: Simplify right side
   50,212x = 5,478,960,400
5. Step 5: Solve for x
   x = 5,478,960,400/50,212
6. Step 6: Final answer
   x = 109,116.55