Finding the Third Proportional to 67,178 and 147,604

Step by Step Solution

1. Step 1: Write the proportion equation
   67,178 : 147,604 = 147,604 : x
2. Step 2: Convert to fraction form
   67,178/147,604 = 147,604/x
3. Step 3: Cross multiply
   67,178x = 147,604 × 147,604
4. Step 4: Simplify right side
   67,178x = 21,786,940,816
5. Step 5: Solve for x
   x = 21,786,940,816/67,178
6. Step 6: Final answer
   x = 324,316.60