Finding the Third Proportional to 67,990 and 148,824

Step by Step Solution

1. Step 1: Write the proportion equation
   67,990 : 148,824 = 148,824 : x
2. Step 2: Convert to fraction form
   67,990/148,824 = 148,824/x
3. Step 3: Cross multiply
   67,990x = 148,824 × 148,824
4. Step 4: Simplify right side
   67,990x = 22,148,582,976
5. Step 5: Solve for x
   x = 22,148,582,976/67,990
6. Step 6: Final answer
   x = 325,762.36