Finding the Third Proportional to 67,740.05 and 147,546.56

Step by Step Solution

1. Step 1: Write the proportion equation
   67,740.05 : 147,546.56 = 147,546.56 : x
2. Step 2: Convert to fraction form
   67,740.05/147,546.56 = 147,546.56/x
3. Step 3: Cross multiply
   67,740.05x = 147,546.56 × 147,546.56
4. Step 4: Simplify right side
   67,740.05x = 21,769,988,105.57
5. Step 5: Solve for x
   x = 21,769,988,105.57/67,740.05
6. Step 6: Final answer
   x = 321,375.45