Finding the Third Proportional to 207,778 and 454,966.50

Step by Step Solution

1. Step 1: Write the proportion equation
   207,778 : 454,966.50 = 454,966.50 : x
2. Step 2: Convert to fraction form
   207,778/454,966.50 = 454,966.50/x
3. Step 3: Cross multiply
   207,778x = 454,966.50 × 454,966.50
4. Step 4: Simplify right side
   207,778x = 206,994,516,122.25
5. Step 5: Solve for x
   x = 206,994,516,122.25/207,778
6. Step 6: Final answer
   x = 996,229.23