Finding the Third Proportional to 221,426 and 332,081.50

Step by Step Solution

1. Step 1: Write the proportion equation
   221,426 : 332,081.50 = 332,081.50 : x
2. Step 2: Convert to fraction form
   221,426/332,081.50 = 332,081.50/x
3. Step 3: Cross multiply
   221,426x = 332,081.50 × 332,081.50
4. Step 4: Simplify right side
   221,426x = 110,278,122,642.25
5. Step 5: Solve for x
   x = 110,278,122,642.25/221,426
6. Step 6: Final answer
   x = 498,036.01