Finding the Third Proportional to 67,517.50 and 147,742

Step by Step Solution

1. Step 1: Write the proportion equation
   67,517.50 : 147,742 = 147,742 : x
2. Step 2: Convert to fraction form
   67,517.50/147,742 = 147,742/x
3. Step 3: Cross multiply
   67,517.50x = 147,742 × 147,742
4. Step 4: Simplify right side
   67,517.50x = 21,827,698,564
5. Step 5: Solve for x
   x = 21,827,698,564/67,517.50
6. Step 6: Final answer
   x = 323,289.50