Finding the Third Proportional to 445,257 and 906,066

Step by Step Solution

1. Step 1: Write the proportion equation
   445,257 : 906,066 = 906,066 : x
2. Step 2: Convert to fraction form
   445,257/906,066 = 906,066/x
3. Step 3: Cross multiply
   445,257x = 906,066 × 906,066
4. Step 4: Simplify right side
   445,257x = 820,955,596,356
5. Step 5: Solve for x
   x = 820,955,596,356/445,257
6. Step 6: Final answer
   x = 1,843,779.20