Finding the Third Proportional to 102,115.69 and 222,228.56

Step by Step Solution

1. Step 1: Write the proportion equation
   102,115.69 : 222,228.56 = 222,228.56 : x
2. Step 2: Convert to fraction form
   102,115.69/222,228.56 = 222,228.56/x
3. Step 3: Cross multiply
   102,115.69x = 222,228.56 × 222,228.56
4. Step 4: Simplify right side
   102,115.69x = 49,385,533,990.82
5. Step 5: Solve for x
   x = 49,385,533,990.82/102,115.69
6. Step 6: Final answer
   x = 483,623.38