Finding the Third Proportional to 143,550 and 205,488

Step by Step Solution

1. Step 1: Write the proportion equation
   143,550 : 205,488 = 205,488 : x
2. Step 2: Convert to fraction form
   143,550/205,488 = 205,488/x
3. Step 3: Cross multiply
   143,550x = 205,488 × 205,488
4. Step 4: Simplify right side
   143,550x = 42,225,318,144
5. Step 5: Solve for x
   x = 42,225,318,144/143,550
6. Step 6: Final answer
   x = 294,150.60