Finding the Third Proportional to 161,200.50 and 248,563.50

Step by Step Solution

1. Step 1: Write the proportion equation
   161,200.50 : 248,563.50 = 248,563.50 : x
2. Step 2: Convert to fraction form
   161,200.50/248,563.50 = 248,563.50/x
3. Step 3: Cross multiply
   161,200.50x = 248,563.50 × 248,563.50
4. Step 4: Simplify right side
   161,200.50x = 61,783,813,532.25
5. Step 5: Solve for x
   x = 61,783,813,532.25/161,200.50
6. Step 6: Final answer
   x = 383,273.09