Finding the Third Proportional to 103,648.50 and 222,039

Step by Step Solution

1. Step 1: Write the proportion equation
   103,648.50 : 222,039 = 222,039 : x
2. Step 2: Convert to fraction form
   103,648.50/222,039 = 222,039/x
3. Step 3: Cross multiply
   103,648.50x = 222,039 × 222,039
4. Step 4: Simplify right side
   103,648.50x = 49,301,317,521
5. Step 5: Solve for x
   x = 49,301,317,521/103,648.50
6. Step 6: Final answer
   x = 475,658.77