Finding the Third Proportional to 527,200 and 816,936

Step by Step Solution

1. Step 1: Write the proportion equation
   527,200 : 816,936 = 816,936 : x
2. Step 2: Convert to fraction form
   527,200/816,936 = 816,936/x
3. Step 3: Cross multiply
   527,200x = 816,936 × 816,936
4. Step 4: Simplify right side
   527,200x = 667,384,428,096
5. Step 5: Solve for x
   x = 667,384,428,096/527,200
6. Step 6: Final answer
   x = 1,265,903.70