Finding the Third Proportional to 396,102 and 849,066

Step by Step Solution

1. Step 1: Write the proportion equation
   396,102 : 849,066 = 849,066 : x
2. Step 2: Convert to fraction form
   396,102/849,066 = 849,066/x
3. Step 3: Cross multiply
   396,102x = 849,066 × 849,066
4. Step 4: Simplify right side
   396,102x = 720,913,072,356
5. Step 5: Solve for x
   x = 720,913,072,356/396,102
6. Step 6: Final answer
   x = 1,820,018.76