Finding the Third Proportional to 207,776 and 454,962.50

Step by Step Solution

1. Step 1: Write the proportion equation
   207,776 : 454,962.50 = 454,962.50 : x
2. Step 2: Convert to fraction form
   207,776/454,962.50 = 454,962.50/x
3. Step 3: Cross multiply
   207,776x = 454,962.50 × 454,962.50
4. Step 4: Simplify right side
   207,776x = 206,990,876,406.25
5. Step 5: Solve for x
   x = 206,990,876,406.25/207,776
6. Step 6: Final answer
   x = 996,221.30