Finding the Third Proportional to 143,547 and 205,479

Step by Step Solution

1. Step 1: Write the proportion equation
   143,547 : 205,479 = 205,479 : x
2. Step 2: Convert to fraction form
   143,547/205,479 = 205,479/x
3. Step 3: Cross multiply
   143,547x = 205,479 × 205,479
4. Step 4: Simplify right side
   143,547x = 42,221,619,441
5. Step 5: Solve for x
   x = 42,221,619,441/143,547
6. Step 6: Final answer
   x = 294,130.98