Finding the Third Proportional to 412,666 and 904,066

Step by Step Solution

1. Step 1: Write the proportion equation
   412,666 : 904,066 = 904,066 : x
2. Step 2: Convert to fraction form
   412,666/904,066 = 904,066/x
3. Step 3: Cross multiply
   412,666x = 904,066 × 904,066
4. Step 4: Simplify right side
   412,666x = 817,335,332,356
5. Step 5: Solve for x
   x = 817,335,332,356/412,666
6. Step 6: Final answer
   x = 1,980,621.94