Finding the Third Proportional to 101,264.50 and 221,600

Step by Step Solution

1. Step 1: Write the proportion equation
   101,264.50 : 221,600 = 221,600 : x
2. Step 2: Convert to fraction form
   101,264.50/221,600 = 221,600/x
3. Step 3: Cross multiply
   101,264.50x = 221,600 × 221,600
4. Step 4: Simplify right side
   101,264.50x = 49,106,560,000
5. Step 5: Solve for x
   x = 49,106,560,000/101,264.50
6. Step 6: Final answer
   x = 484,933.61