Finding the Third Proportional to 100,771.50 and 219,963

Step by Step Solution

1. Step 1: Write the proportion equation
   100,771.50 : 219,963 = 219,963 : x
2. Step 2: Convert to fraction form
   100,771.50/219,963 = 219,963/x
3. Step 3: Cross multiply
   100,771.50x = 219,963 × 219,963
4. Step 4: Simplify right side
   100,771.50x = 48,383,721,369
5. Step 5: Solve for x
   x = 48,383,721,369/100,771.50
6. Step 6: Final answer
   x = 480,132.99