Finding the Third Proportional to 85,530 and 182,136

Step by Step Solution

1. Step 1: Write the proportion equation
   85,530 : 182,136 = 182,136 : x
2. Step 2: Convert to fraction form
   85,530/182,136 = 182,136/x
3. Step 3: Cross multiply
   85,530x = 182,136 × 182,136
4. Step 4: Simplify right side
   85,530x = 33,173,522,496
5. Step 5: Solve for x
   x = 33,173,522,496/85,530
6. Step 6: Final answer
   x = 387,858.32