Finding the Third Proportional to 36,991 and 80,900

Step by Step Solution

1. Step 1: Write the proportion equation
   36,991 : 80,900 = 80,900 : x
2. Step 2: Convert to fraction form
   36,991/80,900 = 80,900/x
3. Step 3: Cross multiply
   36,991x = 80,900 × 80,900
4. Step 4: Simplify right side
   36,991x = 6,544,810,000
5. Step 5: Solve for x
   x = 6,544,810,000/36,991
6. Step 6: Final answer
   x = 176,929.79