Finding the Third Proportional to 50,418 and 72,630

Step by Step Solution

1. Step 1: Write the proportion equation
   50,418 : 72,630 = 72,630 : x
2. Step 2: Convert to fraction form
   50,418/72,630 = 72,630/x
3. Step 3: Cross multiply
   50,418x = 72,630 × 72,630
4. Step 4: Simplify right side
   50,418x = 5,275,116,900
5. Step 5: Solve for x
   x = 5,275,116,900/50,418
6. Step 6: Final answer
   x = 104,627.65