Finding the Third Proportional to 20,953.69 and 38,854.69

Step by Step Solution

1. Step 1: Write the proportion equation
   20,953.69 : 38,854.69 = 38,854.69 : x
2. Step 2: Convert to fraction form
   20,953.69/38,854.69 = 38,854.69/x
3. Step 3: Cross multiply
   20,953.69x = 38,854.69 × 38,854.69
4. Step 4: Simplify right side
   20,953.69x = 1,509,686,740.72
5. Step 5: Solve for x
   x = 1,509,686,740.72/20,953.69
6. Step 6: Final answer
   x = 72,048.74