Finding the Third Proportional to 381,066 and 804,900

Step by Step Solution

1. Step 1: Write the proportion equation
   381,066 : 804,900 = 804,900 : x
2. Step 2: Convert to fraction form
   381,066/804,900 = 804,900/x
3. Step 3: Cross multiply
   381,066x = 804,900 × 804,900
4. Step 4: Simplify right side
   381,066x = 647,864,010,000
5. Step 5: Solve for x
   x = 647,864,010,000/381,066
6. Step 6: Final answer
   x = 1,700,135.96