Finding the Third Proportional to 194,405 and 300,221

Step by Step Solution

1. Step 1: Write the proportion equation
   194,405 : 300,221 = 300,221 : x
2. Step 2: Convert to fraction form
   194,405/300,221 = 300,221/x
3. Step 3: Cross multiply
   194,405x = 300,221 × 300,221
4. Step 4: Simplify right side
   194,405x = 90,132,648,841
5. Step 5: Solve for x
   x = 90,132,648,841/194,405
6. Step 6: Final answer
   x = 463,633.39