Finding the Third Proportional to 143,554 and 205,494

Step by Step Solution

1. Step 1: Write the proportion equation
   143,554 : 205,494 = 205,494 : x
2. Step 2: Convert to fraction form
   143,554/205,494 = 205,494/x
3. Step 3: Cross multiply
   143,554x = 205,494 × 205,494
4. Step 4: Simplify right side
   143,554x = 42,227,784,036
5. Step 5: Solve for x
   x = 42,227,784,036/143,554
6. Step 6: Final answer
   x = 294,159.58