Finding the Third Proportional to 50,290 and 99,310

Step by Step Solution

1. Step 1: Write the proportion equation
   50,290 : 99,310 = 99,310 : x
2. Step 2: Convert to fraction form
   50,290/99,310 = 99,310/x
3. Step 3: Cross multiply
   50,290x = 99,310 × 99,310
4. Step 4: Simplify right side
   50,290x = 9,862,476,100
5. Step 5: Solve for x
   x = 9,862,476,100/50,290
6. Step 6: Final answer
   x = 196,112.07