Finding the Third Proportional to 311,727 and 483,628.50

Step by Step Solution

1. Step 1: Write the proportion equation
   311,727 : 483,628.50 = 483,628.50 : x
2. Step 2: Convert to fraction form
   311,727/483,628.50 = 483,628.50/x
3. Step 3: Cross multiply
   311,727x = 483,628.50 × 483,628.50
4. Step 4: Simplify right side
   311,727x = 233,896,526,012.25
5. Step 5: Solve for x
   x = 233,896,526,012.25/311,727
6. Step 6: Final answer
   x = 750,324.89