Finding the Third Proportional to 50,437.69 and 80,269.73

Step by Step Solution

1. Step 1: Write the proportion equation
   50,437.69 : 80,269.73 = 80,269.73 : x
2. Step 2: Convert to fraction form
   50,437.69/80,269.73 = 80,269.73/x
3. Step 3: Cross multiply
   50,437.69x = 80,269.73 × 80,269.73
4. Step 4: Simplify right side
   50,437.69x = 6,443,230,256.63
5. Step 5: Solve for x
   x = 6,443,230,256.63/50,437.69
6. Step 6: Final answer
   x = 127,746.35