Finding the Third Proportional to 103,592 and 222,288

Step by Step Solution

1. Step 1: Write the proportion equation
   103,592 : 222,288 = 222,288 : x
2. Step 2: Convert to fraction form
   103,592/222,288 = 222,288/x
3. Step 3: Cross multiply
   103,592x = 222,288 × 222,288
4. Step 4: Simplify right side
   103,592x = 49,411,954,944
5. Step 5: Solve for x
   x = 49,411,954,944/103,592
6. Step 6: Final answer
   x = 476,986.20