Finding the Third Proportional to 131,912 and 311,084

Step by Step Solution

1. Step 1: Write the proportion equation
   131,912 : 311,084 = 311,084 : x
2. Step 2: Convert to fraction form
   131,912/311,084 = 311,084/x
3. Step 3: Cross multiply
   131,912x = 311,084 × 311,084
4. Step 4: Simplify right side
   131,912x = 96,773,255,056
5. Step 5: Solve for x
   x = 96,773,255,056/131,912
6. Step 6: Final answer
   x = 733,619.80