Finding the Third Proportional to 50,335.17 and 71,128.76

Step by Step Solution

1. Step 1: Write the proportion equation
   50,335.17 : 71,128.76 = 71,128.76 : x
2. Step 2: Convert to fraction form
   50,335.17/71,128.76 = 71,128.76/x
3. Step 3: Cross multiply
   50,335.17x = 71,128.76 × 71,128.76
4. Step 4: Simplify right side
   50,335.17x = 5,059,300,187.95
5. Step 5: Solve for x
   x = 5,059,300,187.95/50,335.17
6. Step 6: Final answer
   x = 100,512.23