Finding the Third Proportional to 149,256 and 231,012

Step by Step Solution

1. Step 1: Write the proportion equation
   149,256 : 231,012 = 231,012 : x
2. Step 2: Convert to fraction form
   149,256/231,012 = 231,012/x
3. Step 3: Cross multiply
   149,256x = 231,012 × 231,012
4. Step 4: Simplify right side
   149,256x = 53,366,544,144
5. Step 5: Solve for x
   x = 53,366,544,144/149,256
6. Step 6: Final answer
   x = 357,550.41