Finding the Third Proportional to 131,314.50 and 191,229

Step by Step Solution

1. Step 1: Write the proportion equation
   131,314.50 : 191,229 = 191,229 : x
2. Step 2: Convert to fraction form
   131,314.50/191,229 = 191,229/x
3. Step 3: Cross multiply
   131,314.50x = 191,229 × 191,229
4. Step 4: Simplify right side
   131,314.50x = 36,568,530,441
5. Step 5: Solve for x
   x = 36,568,530,441/131,314.50
6. Step 6: Final answer
   x = 278,480.52