Finding the Third Proportional to 30,904 and 67,824

Step by Step Solution

1. Step 1: Write the proportion equation
   30,904 : 67,824 = 67,824 : x
2. Step 2: Convert to fraction form
   30,904/67,824 = 67,824/x
3. Step 3: Cross multiply
   30,904x = 67,824 × 67,824
4. Step 4: Simplify right side
   30,904x = 4,600,094,976
5. Step 5: Solve for x
   x = 4,600,094,976/30,904
6. Step 6: Final answer
   x = 148,851.12