Finding the Third Proportional to 816,287 and 1,765,546

Step by Step Solution

1. Step 1: Write the proportion equation
   816,287 : 1,765,546 = 1,765,546 : x
2. Step 2: Convert to fraction form
   816,287/1,765,546 = 1,765,546/x
3. Step 3: Cross multiply
   816,287x = 1,765,546 × 1,765,546
4. Step 4: Simplify right side
   816,287x = 3,117,152,678,116
5. Step 5: Solve for x
   x = 3,117,152,678,116/816,287
6. Step 6: Final answer
   x = 3,818,696.95