Finding the Third Proportional to 91,116 and 200,168

Step by Step Solution

1. Step 1: Write the proportion equation
   91,116 : 200,168 = 200,168 : x
2. Step 2: Convert to fraction form
   91,116/200,168 = 200,168/x
3. Step 3: Cross multiply
   91,116x = 200,168 × 200,168
4. Step 4: Simplify right side
   91,116x = 40,067,228,224
5. Step 5: Solve for x
   x = 40,067,228,224/91,116
6. Step 6: Final answer
   x = 439,738.67