Finding the Third Proportional to 80,354 and 113,187

Step by Step Solution

1. Step 1: Write the proportion equation
   80,354 : 113,187 = 113,187 : x
2. Step 2: Convert to fraction form
   80,354/113,187 = 113,187/x
3. Step 3: Cross multiply
   80,354x = 113,187 × 113,187
4. Step 4: Simplify right side
   80,354x = 12,811,296,969
5. Step 5: Solve for x
   x = 12,811,296,969/80,354
6. Step 6: Final answer
   x = 159,435.71