Finding the Third Proportional to 453,633 and 667,309.50

Step by Step Solution

1. Step 1: Write the proportion equation
   453,633 : 667,309.50 = 667,309.50 : x
2. Step 2: Convert to fraction form
   453,633/667,309.50 = 667,309.50/x
3. Step 3: Cross multiply
   453,633x = 667,309.50 × 667,309.50
4. Step 4: Simplify right side
   453,633x = 445,301,968,790.25
5. Step 5: Solve for x
   x = 445,301,968,790.25/453,633
6. Step 6: Final answer
   x = 981,634.87