Finding the Third Proportional to 151,012 and 181,357

Step by Step Solution

1. Step 1: Write the proportion equation
   151,012 : 181,357 = 181,357 : x
2. Step 2: Convert to fraction form
   151,012/181,357 = 181,357/x
3. Step 3: Cross multiply
   151,012x = 181,357 × 181,357
4. Step 4: Simplify right side
   151,012x = 32,890,361,449
5. Step 5: Solve for x
   x = 32,890,361,449/151,012
6. Step 6: Final answer
   x = 217,799.65