Finding the Third Proportional to 221,184 and 479,815.50

Step by Step Solution

1. Step 1: Write the proportion equation
   221,184 : 479,815.50 = 479,815.50 : x
2. Step 2: Convert to fraction form
   221,184/479,815.50 = 479,815.50/x
3. Step 3: Cross multiply
   221,184x = 479,815.50 × 479,815.50
4. Step 4: Simplify right side
   221,184x = 230,222,914,040.25
5. Step 5: Solve for x
   x = 230,222,914,040.25/221,184
6. Step 6: Final answer
   x = 1,040,866.04