Finding the Third Proportional to 191,880 and 300,348

Step by Step Solution

1. Step 1: Write the proportion equation
   191,880 : 300,348 = 300,348 : x
2. Step 2: Convert to fraction form
   191,880/300,348 = 300,348/x
3. Step 3: Cross multiply
   191,880x = 300,348 × 300,348
4. Step 4: Simplify right side
   191,880x = 90,208,921,104
5. Step 5: Solve for x
   x = 90,208,921,104/191,880
6. Step 6: Final answer
   x = 470,131.96