Finding the Third Proportional to 50,369.63 and 78,617.25

Step by Step Solution

1. Step 1: Write the proportion equation
   50,369.63 : 78,617.25 = 78,617.25 : x
2. Step 2: Convert to fraction form
   50,369.63/78,617.25 = 78,617.25/x
3. Step 3: Cross multiply
   50,369.63x = 78,617.25 × 78,617.25
4. Step 4: Simplify right side
   50,369.63x = 6,180,671,997.56
5. Step 5: Solve for x
   x = 6,180,671,997.56/50,369.63
6. Step 6: Final answer
   x = 122,706.33