Finding the Third Proportional to 453,632.50 and 667,308.50

Step by Step Solution

1. Step 1: Write the proportion equation
   453,632.50 : 667,308.50 = 667,308.50 : x
2. Step 2: Convert to fraction form
   453,632.50/667,308.50 = 667,308.50/x
3. Step 3: Cross multiply
   453,632.50x = 667,308.50 × 667,308.50
4. Step 4: Simplify right side
   453,632.50x = 445,300,634,172.25
5. Step 5: Solve for x
   x = 445,300,634,172.25/453,632.50
6. Step 6: Final answer
   x = 981,633.01