Finding the Third Proportional to 191,756 and 300,189

Step by Step Solution

1. Step 1: Write the proportion equation
   191,756 : 300,189 = 300,189 : x
2. Step 2: Convert to fraction form
   191,756/300,189 = 300,189/x
3. Step 3: Cross multiply
   191,756x = 300,189 × 300,189
4. Step 4: Simplify right side
   191,756x = 90,113,435,721
5. Step 5: Solve for x
   x = 90,113,435,721/191,756
6. Step 6: Final answer
   x = 469,938.02