Finding the Third Proportional to 131,112 and 199,086

Step by Step Solution

1. Step 1: Write the proportion equation
   131,112 : 199,086 = 199,086 : x
2. Step 2: Convert to fraction form
   131,112/199,086 = 199,086/x
3. Step 3: Cross multiply
   131,112x = 199,086 × 199,086
4. Step 4: Simplify right side
   131,112x = 39,635,235,396
5. Step 5: Solve for x
   x = 39,635,235,396/131,112
6. Step 6: Final answer
   x = 302,300.59