Finding the Third Proportional to 143,521.88 and 205,441.31

Step by Step Solution

1. Step 1: Write the proportion equation
   143,521.88 : 205,441.31 = 205,441.31 : x
2. Step 2: Convert to fraction form
   143,521.88/205,441.31 = 205,441.31/x
3. Step 3: Cross multiply
   143,521.88x = 205,441.31 × 205,441.31
4. Step 4: Simplify right side
   143,521.88x = 42,206,132,881.72
5. Step 5: Solve for x
   x = 42,206,132,881.72/143,521.88
6. Step 6: Final answer
   x = 294,074.56