Finding the Third Proportional to 206,574 and 452,458.50

Step by Step Solution

1. Step 1: Write the proportion equation
   206,574 : 452,458.50 = 452,458.50 : x
2. Step 2: Convert to fraction form
   206,574/452,458.50 = 452,458.50/x
3. Step 3: Cross multiply
   206,574x = 452,458.50 × 452,458.50
4. Step 4: Simplify right side
   206,574x = 204,718,694,222.25
5. Step 5: Solve for x
   x = 204,718,694,222.25/206,574
6. Step 6: Final answer
   x = 991,018.69