Finding the Third Proportional to 50,385.38 and 78,644.25

Step by Step Solution

1. Step 1: Write the proportion equation
   50,385.38 : 78,644.25 = 78,644.25 : x
2. Step 2: Convert to fraction form
   50,385.38/78,644.25 = 78,644.25/x
3. Step 3: Cross multiply
   50,385.38x = 78,644.25 × 78,644.25
4. Step 4: Simplify right side
   50,385.38x = 6,184,918,058.06
5. Step 5: Solve for x
   x = 6,184,918,058.06/50,385.38
6. Step 6: Final answer
   x = 122,752.25