Finding the Third Proportional to 851,618 and 1,335,315

Step by Step Solution

1. Step 1: Write the proportion equation
   851,618 : 1,335,315 = 1,335,315 : x
2. Step 2: Convert to fraction form
   851,618/1,335,315 = 1,335,315/x
3. Step 3: Cross multiply
   851,618x = 1,335,315 × 1,335,315
4. Step 4: Simplify right side
   851,618x = 1,783,066,149,225
5. Step 5: Solve for x
   x = 1,783,066,149,225/851,618
6. Step 6: Final answer
   x = 2,093,739.39