Finding the Third Proportional to 19,486.69 and 29,406.38

Step by Step Solution

1. Step 1: Write the proportion equation
   19,486.69 : 29,406.38 = 29,406.38 : x
2. Step 2: Convert to fraction form
   19,486.69/29,406.38 = 29,406.38/x
3. Step 3: Cross multiply
   19,486.69x = 29,406.38 × 29,406.38
4. Step 4: Simplify right side
   19,486.69x = 864,734,890.64
5. Step 5: Solve for x
   x = 864,734,890.64/19,486.69
6. Step 6: Final answer
   x = 44,375.67