Finding the Third Proportional to 145,047 and 221,863.50

Step by Step Solution

1. Step 1: Write the proportion equation
   145,047 : 221,863.50 = 221,863.50 : x
2. Step 2: Convert to fraction form
   145,047/221,863.50 = 221,863.50/x
3. Step 3: Cross multiply
   145,047x = 221,863.50 × 221,863.50
4. Step 4: Simplify right side
   145,047x = 49,223,412,632.25
5. Step 5: Solve for x
   x = 49,223,412,632.25/145,047
6. Step 6: Final answer
   x = 339,361.81