Finding the Third Proportional to 101,269.50 and 221,628

Step by Step Solution

1. Step 1: Write the proportion equation
   101,269.50 : 221,628 = 221,628 : x
2. Step 2: Convert to fraction form
   101,269.50/221,628 = 221,628/x
3. Step 3: Cross multiply
   101,269.50x = 221,628 × 221,628
4. Step 4: Simplify right side
   101,269.50x = 49,118,970,384
5. Step 5: Solve for x
   x = 49,118,970,384/101,269.50
6. Step 6: Final answer
   x = 485,032.22