Finding the Third Proportional to 67,528 and 143,379

Step by Step Solution

1. Step 1: Write the proportion equation
   67,528 : 143,379 = 143,379 : x
2. Step 2: Convert to fraction form
   67,528/143,379 = 143,379/x
3. Step 3: Cross multiply
   67,528x = 143,379 × 143,379
4. Step 4: Simplify right side
   67,528x = 20,557,537,641
5. Step 5: Solve for x
   x = 20,557,537,641/67,528
6. Step 6: Final answer
   x = 304,429.83