Finding the Third Proportional to 207,786 and 454,984.50

Step by Step Solution

1. Step 1: Write the proportion equation
   207,786 : 454,984.50 = 454,984.50 : x
2. Step 2: Convert to fraction form
   207,786/454,984.50 = 454,984.50/x
3. Step 3: Cross multiply
   207,786x = 454,984.50 × 454,984.50
4. Step 4: Simplify right side
   207,786x = 207,010,895,240.25
5. Step 5: Solve for x
   x = 207,010,895,240.25/207,786
6. Step 6: Final answer
   x = 996,269.70