Finding the Third Proportional to 35,640 and 50,920

Step by Step Solution

1. Step 1: Write the proportion equation
   35,640 : 50,920 = 50,920 : x
2. Step 2: Convert to fraction form
   35,640/50,920 = 50,920/x
3. Step 3: Cross multiply
   35,640x = 50,920 × 50,920
4. Step 4: Simplify right side
   35,640x = 2,592,846,400
5. Step 5: Solve for x
   x = 2,592,846,400/35,640
6. Step 6: Final answer
   x = 72,751.02