Finding the Third Proportional to 208,716 and 446,947.50

Step by Step Solution

1. Step 1: Write the proportion equation
   208,716 : 446,947.50 = 446,947.50 : x
2. Step 2: Convert to fraction form
   208,716/446,947.50 = 446,947.50/x
3. Step 3: Cross multiply
   208,716x = 446,947.50 × 446,947.50
4. Step 4: Simplify right side
   208,716x = 199,762,067,756.25
5. Step 5: Solve for x
   x = 199,762,067,756.25/208,716
6. Step 6: Final answer
   x = 957,099.92