Finding the Third Proportional to 74,581.50 and 162,280.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,581.50 : 162,280.50 = 162,280.50 : x
2. Step 2: Convert to fraction form
   74,581.50/162,280.50 = 162,280.50/x
3. Step 3: Cross multiply
   74,581.50x = 162,280.50 × 162,280.50
4. Step 4: Simplify right side
   74,581.50x = 26,334,960,680.25
5. Step 5: Solve for x
   x = 26,334,960,680.25/74,581.50
6. Step 6: Final answer
   x = 353,103.12