Finding the Third Proportional to 201,158 and 303,786.50

Step by Step Solution

1. Step 1: Write the proportion equation
   201,158 : 303,786.50 = 303,786.50 : x
2. Step 2: Convert to fraction form
   201,158/303,786.50 = 303,786.50/x
3. Step 3: Cross multiply
   201,158x = 303,786.50 × 303,786.50
4. Step 4: Simplify right side
   201,158x = 92,286,237,582.25
5. Step 5: Solve for x
   x = 92,286,237,582.25/201,158
6. Step 6: Final answer
   x = 458,774.88