Finding the Third Proportional to 102,306.50 and 222,321.50

Step by Step Solution

1. Step 1: Write the proportion equation
   102,306.50 : 222,321.50 = 222,321.50 : x
2. Step 2: Convert to fraction form
   102,306.50/222,321.50 = 222,321.50/x
3. Step 3: Cross multiply
   102,306.50x = 222,321.50 × 222,321.50
4. Step 4: Simplify right side
   102,306.50x = 49,426,849,362.25
5. Step 5: Solve for x
   x = 49,426,849,362.25/102,306.50
6. Step 6: Final answer
   x = 483,125.21