Finding the Third Proportional to 131,903 and 311,061.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,903 : 311,061.50 = 311,061.50 : x
2. Step 2: Convert to fraction form
   131,903/311,061.50 = 311,061.50/x
3. Step 3: Cross multiply
   131,903x = 311,061.50 × 311,061.50
4. Step 4: Simplify right side
   131,903x = 96,759,256,782.25
5. Step 5: Solve for x
   x = 96,759,256,782.25/131,903
6. Step 6: Final answer
   x = 733,563.73