Finding the Third Proportional to 131,830 and 311,066

Step by Step Solution

1. Step 1: Write the proportion equation
   131,830 : 311,066 = 311,066 : x
2. Step 2: Convert to fraction form
   131,830/311,066 = 311,066/x
3. Step 3: Cross multiply
   131,830x = 311,066 × 311,066
4. Step 4: Simplify right side
   131,830x = 96,762,056,356
5. Step 5: Solve for x
   x = 96,762,056,356/131,830
6. Step 6: Final answer
   x = 733,991.17