Finding the Third Proportional to 221,934 and 485,380.50

Step by Step Solution

1. Step 1: Write the proportion equation
   221,934 : 485,380.50 = 485,380.50 : x
2. Step 2: Convert to fraction form
   221,934/485,380.50 = 485,380.50/x
3. Step 3: Cross multiply
   221,934x = 485,380.50 × 485,380.50
4. Step 4: Simplify right side
   221,934x = 235,594,229,780.25
5. Step 5: Solve for x
   x = 235,594,229,780.25/221,934
6. Step 6: Final answer
   x = 1,061,550.87