Finding the Third Proportional to 191,784 and 300,198

Step by Step Solution

1. Step 1: Write the proportion equation
   191,784 : 300,198 = 300,198 : x
2. Step 2: Convert to fraction form
   191,784/300,198 = 300,198/x
3. Step 3: Cross multiply
   191,784x = 300,198 × 300,198
4. Step 4: Simplify right side
   191,784x = 90,118,839,204
5. Step 5: Solve for x
   x = 90,118,839,204/191,784
6. Step 6: Final answer
   x = 469,897.59