Finding the Third Proportional to 103,540.50 and 221,835

Step by Step Solution

1. Step 1: Write the proportion equation
   103,540.50 : 221,835 = 221,835 : x
2. Step 2: Convert to fraction form
   103,540.50/221,835 = 221,835/x
3. Step 3: Cross multiply
   103,540.50x = 221,835 × 221,835
4. Step 4: Simplify right side
   103,540.50x = 49,210,767,225
5. Step 5: Solve for x
   x = 49,210,767,225/103,540.50
6. Step 6: Final answer
   x = 475,280.37