Finding the Third Proportional to 149,653.50 and 231,879

Step by Step Solution

1. Step 1: Write the proportion equation
   149,653.50 : 231,879 = 231,879 : x
2. Step 2: Convert to fraction form
   149,653.50/231,879 = 231,879/x
3. Step 3: Cross multiply
   149,653.50x = 231,879 × 231,879
4. Step 4: Simplify right side
   149,653.50x = 53,767,870,641
5. Step 5: Solve for x
   x = 53,767,870,641/149,653.50
6. Step 6: Final answer
   x = 359,282.41