Finding the Third Proportional to 50,128.88 and 104,391.28

Step by Step Solution

1. Step 1: Write the proportion equation
   50,128.88 : 104,391.28 = 104,391.28 : x
2. Step 2: Convert to fraction form
   50,128.88/104,391.28 = 104,391.28/x
3. Step 3: Cross multiply
   50,128.88x = 104,391.28 × 104,391.28
4. Step 4: Simplify right side
   50,128.88x = 10,897,539,601.02
5. Step 5: Solve for x
   x = 10,897,539,601.02/50,128.88
6. Step 6: Final answer
   x = 217,390.47