Finding the Third Proportional to 221,926.50 and 485,370

Step by Step Solution

1. Step 1: Write the proportion equation
   221,926.50 : 485,370 = 485,370 : x
2. Step 2: Convert to fraction form
   221,926.50/485,370 = 485,370/x
3. Step 3: Cross multiply
   221,926.50x = 485,370 × 485,370
4. Step 4: Simplify right side
   221,926.50x = 235,584,036,900
5. Step 5: Solve for x
   x = 235,584,036,900/221,926.50
6. Step 6: Final answer
   x = 1,061,540.81