Finding the Third Proportional to 19,765.69 and 42,553.69

Step by Step Solution

1. Step 1: Write the proportion equation
   19,765.69 : 42,553.69 = 42,553.69 : x
2. Step 2: Convert to fraction form
   19,765.69/42,553.69 = 42,553.69/x
3. Step 3: Cross multiply
   19,765.69x = 42,553.69 × 42,553.69
4. Step 4: Simplify right side
   19,765.69x = 1,810,816,319.85
5. Step 5: Solve for x
   x = 1,810,816,319.85/19,765.69
6. Step 6: Final answer
   x = 91,614.13