Finding the Third Proportional to 222,102 and 324,859.50

Step by Step Solution

1. Step 1: Write the proportion equation
   222,102 : 324,859.50 = 324,859.50 : x
2. Step 2: Convert to fraction form
   222,102/324,859.50 = 324,859.50/x
3. Step 3: Cross multiply
   222,102x = 324,859.50 × 324,859.50
4. Step 4: Simplify right side
   222,102x = 105,533,694,740.25
5. Step 5: Solve for x
   x = 105,533,694,740.25/222,102
6. Step 6: Final answer
   x = 475,158.69