Finding the Third Proportional to 207,747 and 313,591.50

Step by Step Solution

1. Step 1: Write the proportion equation
   207,747 : 313,591.50 = 313,591.50 : x
2. Step 2: Convert to fraction form
   207,747/313,591.50 = 313,591.50/x
3. Step 3: Cross multiply
   207,747x = 313,591.50 × 313,591.50
4. Step 4: Simplify right side
   207,747x = 98,339,628,872.25
5. Step 5: Solve for x
   x = 98,339,628,872.25/207,747
6. Step 6: Final answer
   x = 473,362.45