Finding the Third Proportional to 19,429.69 and 42,504.38

Step by Step Solution

1. Step 1: Write the proportion equation
   19,429.69 : 42,504.38 = 42,504.38 : x
2. Step 2: Convert to fraction form
   19,429.69/42,504.38 = 42,504.38/x
3. Step 3: Cross multiply
   19,429.69x = 42,504.38 × 42,504.38
4. Step 4: Simplify right side
   19,429.69x = 1,806,621,894.14
5. Step 5: Solve for x
   x = 1,806,621,894.14/19,429.69
6. Step 6: Final answer
   x = 92,982.55