Finding the Third Proportional to 100,468.50 and 221,024

Step by Step Solution

1. Step 1: Write the proportion equation
   100,468.50 : 221,024 = 221,024 : x
2. Step 2: Convert to fraction form
   100,468.50/221,024 = 221,024/x
3. Step 3: Cross multiply
   100,468.50x = 221,024 × 221,024
4. Step 4: Simplify right side
   100,468.50x = 48,851,608,576
5. Step 5: Solve for x
   x = 48,851,608,576/100,468.50
6. Step 6: Final answer
   x = 486,238.06