Finding the Third Proportional to 131,908 and 311,074

Step by Step Solution

1. Step 1: Write the proportion equation
   131,908 : 311,074 = 311,074 : x
2. Step 2: Convert to fraction form
   131,908/311,074 = 311,074/x
3. Step 3: Cross multiply
   131,908x = 311,074 × 311,074
4. Step 4: Simplify right side
   131,908x = 96,767,033,476
5. Step 5: Solve for x
   x = 96,767,033,476/131,908
6. Step 6: Final answer
   x = 733,594.88