Finding the Third Proportional to 50,608.13 and 72,904.78

Step by Step Solution

1. Step 1: Write the proportion equation
   50,608.13 : 72,904.78 = 72,904.78 : x
2. Step 2: Convert to fraction form
   50,608.13/72,904.78 = 72,904.78/x
3. Step 3: Cross multiply
   50,608.13x = 72,904.78 × 72,904.78
4. Step 4: Simplify right side
   50,608.13x = 5,315,107,129.11
5. Step 5: Solve for x
   x = 5,315,107,129.11/50,608.13
6. Step 6: Final answer
   x = 105,024.78