Finding the Third Proportional to 49,328 and 80,536

Step by Step Solution

1. Step 1: Write the proportion equation
   49,328 : 80,536 = 80,536 : x
2. Step 2: Convert to fraction form
   49,328/80,536 = 80,536/x
3. Step 3: Cross multiply
   49,328x = 80,536 × 80,536
4. Step 4: Simplify right side
   49,328x = 6,486,047,296
5. Step 5: Solve for x
   x = 6,486,047,296/49,328
6. Step 6: Final answer
   x = 131,488.15