Finding the Third Proportional to 311,097 and 481,225.50

Step by Step Solution

1. Step 1: Write the proportion equation
   311,097 : 481,225.50 = 481,225.50 : x
2. Step 2: Convert to fraction form
   311,097/481,225.50 = 481,225.50/x
3. Step 3: Cross multiply
   311,097x = 481,225.50 × 481,225.50
4. Step 4: Simplify right side
   311,097x = 231,577,981,850.25
5. Step 5: Solve for x
   x = 231,577,981,850.25/311,097
6. Step 6: Final answer
   x = 744,391.56