Finding the Third Proportional to 103,632.50 and 221,485

Step by Step Solution

1. Step 1: Write the proportion equation
   103,632.50 : 221,485 = 221,485 : x
2. Step 2: Convert to fraction form
   103,632.50/221,485 = 221,485/x
3. Step 3: Cross multiply
   103,632.50x = 221,485 × 221,485
4. Step 4: Simplify right side
   103,632.50x = 49,055,605,225
5. Step 5: Solve for x
   x = 49,055,605,225/103,632.50
6. Step 6: Final answer
   x = 473,361.21