Finding the Third Proportional to 816,576 and 1,200,672

Step by Step Solution

1. Step 1: Write the proportion equation
   816,576 : 1,200,672 = 1,200,672 : x
2. Step 2: Convert to fraction form
   816,576/1,200,672 = 1,200,672/x
3. Step 3: Cross multiply
   816,576x = 1,200,672 × 1,200,672
4. Step 4: Simplify right side
   816,576x = 1,441,613,251,584
5. Step 5: Solve for x
   x = 1,441,613,251,584/816,576
6. Step 6: Final answer
   x = 1,765,436.72