Finding the Third Proportional to 397,041 and 864,066

Step by Step Solution

1. Step 1: Write the proportion equation
   397,041 : 864,066 = 864,066 : x
2. Step 2: Convert to fraction form
   397,041/864,066 = 864,066/x
3. Step 3: Cross multiply
   397,041x = 864,066 × 864,066
4. Step 4: Simplify right side
   397,041x = 746,610,052,356
5. Step 5: Solve for x
   x = 746,610,052,356/397,041
6. Step 6: Final answer
   x = 1,880,435.65