Finding the Third Proportional to 50,738.63 and 72,120.38

Step by Step Solution

1. Step 1: Write the proportion equation
   50,738.63 : 72,120.38 = 72,120.38 : x
2. Step 2: Convert to fraction form
   50,738.63/72,120.38 = 72,120.38/x
3. Step 3: Cross multiply
   50,738.63x = 72,120.38 × 72,120.38
4. Step 4: Simplify right side
   50,738.63x = 5,201,348,490.14
5. Step 5: Solve for x
   x = 5,201,348,490.14/50,738.63
6. Step 6: Final answer
   x = 102,512.60