Finding the Third Proportional to 166,083,884 and 388,046,906

Step by Step Solution

1. Step 1: Write the proportion equation
   166,083,884 : 388,046,906 = 388,046,906 : x
2. Step 2: Convert to fraction form
   166,083,884/388,046,906 = 388,046,906/x
3. Step 3: Cross multiply
   166,083,884x = 388,046,906 × 388,046,906
4. Step 4: Simplify right side
   166,083,884x = 150,580,401,256,172,832
5. Step 5: Solve for x
   x = 150,580,401,256,172,832/166,083,884
6. Step 6: Final answer
   x = 906,652,696.39