Finding the Third Proportional to 53,103.09 and 80,425.41

Step by Step Solution

1. Step 1: Write the proportion equation
   53,103.09 : 80,425.41 = 80,425.41 : x
2. Step 2: Convert to fraction form
   53,103.09/80,425.41 = 80,425.41/x
3. Step 3: Cross multiply
   53,103.09x = 80,425.41 × 80,425.41
4. Step 4: Simplify right side
   53,103.09x = 6,468,245,970.48
5. Step 5: Solve for x
   x = 6,468,245,970.48/53,103.09
6. Step 6: Final answer
   x = 121,805.45