Finding the Third Proportional to 50,456.25 and 78,080.63

Step by Step Solution

1. Step 1: Write the proportion equation
   50,456.25 : 78,080.63 = 78,080.63 : x
2. Step 2: Convert to fraction form
   50,456.25/78,080.63 = 78,080.63/x
3. Step 3: Cross multiply
   50,456.25x = 78,080.63 × 78,080.63
4. Step 4: Simplify right side
   50,456.25x = 6,096,584,000.39
5. Step 5: Solve for x
   x = 6,096,584,000.39/50,456.25
6. Step 6: Final answer
   x = 120,829.11