Finding the Third Proportional to 375,367.50 and 816,831

Step by Step Solution

1. Step 1: Write the proportion equation
   375,367.50 : 816,831 = 816,831 : x
2. Step 2: Convert to fraction form
   375,367.50/816,831 = 816,831/x
3. Step 3: Cross multiply
   375,367.50x = 816,831 × 816,831
4. Step 4: Simplify right side
   375,367.50x = 667,212,882,561
5. Step 5: Solve for x
   x = 667,212,882,561/375,367.50
6. Step 6: Final answer
   x = 1,777,492.41