Finding the Third Proportional to 221,526 and 332,491.50

Step by Step Solution

1. Step 1: Write the proportion equation
   221,526 : 332,491.50 = 332,491.50 : x
2. Step 2: Convert to fraction form
   221,526/332,491.50 = 332,491.50/x
3. Step 3: Cross multiply
   221,526x = 332,491.50 × 332,491.50
4. Step 4: Simplify right side
   221,526x = 110,550,597,572.25
5. Step 5: Solve for x
   x = 110,550,597,572.25/221,526
6. Step 6: Final answer
   x = 499,041.19