Finding the Third Proportional to 67,243.50 and 147,609

Step by Step Solution

1. Step 1: Write the proportion equation
   67,243.50 : 147,609 = 147,609 : x
2. Step 2: Convert to fraction form
   67,243.50/147,609 = 147,609/x
3. Step 3: Cross multiply
   67,243.50x = 147,609 × 147,609
4. Step 4: Simplify right side
   67,243.50x = 21,788,416,881
5. Step 5: Solve for x
   x = 21,788,416,881/67,243.50
6. Step 6: Final answer
   x = 324,022.65