Finding the Third Proportional to 103,695 and 222,131

Step by Step Solution

1. Step 1: Write the proportion equation
   103,695 : 222,131 = 222,131 : x
2. Step 2: Convert to fraction form
   103,695/222,131 = 222,131/x
3. Step 3: Cross multiply
   103,695x = 222,131 × 222,131
4. Step 4: Simplify right side
   103,695x = 49,342,181,161
5. Step 5: Solve for x
   x = 49,342,181,161/103,695
6. Step 6: Final answer
   x = 475,839.54