Finding the Third Proportional to 191,910 and 288,049.50

Step by Step Solution

1. Step 1: Write the proportion equation
   191,910 : 288,049.50 = 288,049.50 : x
2. Step 2: Convert to fraction form
   191,910/288,049.50 = 288,049.50/x
3. Step 3: Cross multiply
   191,910x = 288,049.50 × 288,049.50
4. Step 4: Simplify right side
   191,910x = 82,972,514,450.25
5. Step 5: Solve for x
   x = 82,972,514,450.25/191,910
6. Step 6: Final answer
   x = 432,351.18