Finding the Third Proportional to 191,866 and 300,322

Step by Step Solution

1. Step 1: Write the proportion equation
   191,866 : 300,322 = 300,322 : x
2. Step 2: Convert to fraction form
   191,866/300,322 = 300,322/x
3. Step 3: Cross multiply
   191,866x = 300,322 × 300,322
4. Step 4: Simplify right side
   191,866x = 90,193,303,684
5. Step 5: Solve for x
   x = 90,193,303,684/191,866
6. Step 6: Final answer
   x = 470,084.87