Finding the Third Proportional to 191,264 and 275,088

Step by Step Solution

1. Step 1: Write the proportion equation
   191,264 : 275,088 = 275,088 : x
2. Step 2: Convert to fraction form
   191,264/275,088 = 275,088/x
3. Step 3: Cross multiply
   191,264x = 275,088 × 275,088
4. Step 4: Simplify right side
   191,264x = 75,673,407,744
5. Step 5: Solve for x
   x = 75,673,407,744/191,264
6. Step 6: Final answer
   x = 395,648.99