Finding the Third Proportional to 213,800.50 and 461,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   213,800.50 : 461,499.50 = 461,499.50 : x
2. Step 2: Convert to fraction form
   213,800.50/461,499.50 = 461,499.50/x
3. Step 3: Cross multiply
   213,800.50x = 461,499.50 × 461,499.50
4. Step 4: Simplify right side
   213,800.50x = 212,981,788,500.25
5. Step 5: Solve for x
   x = 212,981,788,500.25/213,800.50
6. Step 6: Final answer
   x = 996,170.68