Finding the Third Proportional to 67,840.88 and 148,981.78

Step by Step Solution

1. Step 1: Write the proportion equation
   67,840.88 : 148,981.78 = 148,981.78 : x
2. Step 2: Convert to fraction form
   67,840.88/148,981.78 = 148,981.78/x
3. Step 3: Cross multiply
   67,840.88x = 148,981.78 × 148,981.78
4. Step 4: Simplify right side
   67,840.88x = 22,195,571,144.42
5. Step 5: Solve for x
   x = 22,195,571,144.42/67,840.88
6. Step 6: Final answer
   x = 327,171.06