Finding the Third Proportional to 50,636.25 and 78,608.25

Step by Step Solution

1. Step 1: Write the proportion equation
   50,636.25 : 78,608.25 = 78,608.25 : x
2. Step 2: Convert to fraction form
   50,636.25/78,608.25 = 78,608.25/x
3. Step 3: Cross multiply
   50,636.25x = 78,608.25 × 78,608.25
4. Step 4: Simplify right side
   50,636.25x = 6,179,256,968.06
5. Step 5: Solve for x
   x = 6,179,256,968.06/50,636.25
6. Step 6: Final answer
   x = 122,032.28