Finding the Third Proportional to 383,061 and 777,066

Step by Step Solution

1. Step 1: Write the proportion equation
   383,061 : 777,066 = 777,066 : x
2. Step 2: Convert to fraction form
   383,061/777,066 = 777,066/x
3. Step 3: Cross multiply
   383,061x = 777,066 × 777,066
4. Step 4: Simplify right side
   383,061x = 603,831,568,356
5. Step 5: Solve for x
   x = 603,831,568,356/383,061
6. Step 6: Final answer
   x = 1,576,332.67