Finding the Third Proportional to 101,230.50 and 221,529

Step by Step Solution

1. Step 1: Write the proportion equation
   101,230.50 : 221,529 = 221,529 : x
2. Step 2: Convert to fraction form
   101,230.50/221,529 = 221,529/x
3. Step 3: Cross multiply
   101,230.50x = 221,529 × 221,529
4. Step 4: Simplify right side
   101,230.50x = 49,075,097,841
5. Step 5: Solve for x
   x = 49,075,097,841/101,230.50
6. Step 6: Final answer
   x = 484,785.69