Finding the Third Proportional to 816,986 and 1,765,156

Step by Step Solution

1. Step 1: Write the proportion equation
   816,986 : 1,765,156 = 1,765,156 : x
2. Step 2: Convert to fraction form
   816,986/1,765,156 = 1,765,156/x
3. Step 3: Cross multiply
   816,986x = 1,765,156 × 1,765,156
4. Step 4: Simplify right side
   816,986x = 3,115,775,704,336
5. Step 5: Solve for x
   x = 3,115,775,704,336/816,986
6. Step 6: Final answer
   x = 3,813,744.30