Finding the Third Proportional to 108,468 and 222,220.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,468 : 222,220.50 = 222,220.50 : x
2. Step 2: Convert to fraction form
   108,468/222,220.50 = 222,220.50/x
3. Step 3: Cross multiply
   108,468x = 222,220.50 × 222,220.50
4. Step 4: Simplify right side
   108,468x = 49,381,950,620.25
5. Step 5: Solve for x
   x = 49,381,950,620.25/108,468
6. Step 6: Final answer
   x = 455,267.46