Finding the Third Proportional to 47,007.50 and 72,821.75

Step by Step Solution

1. Step 1: Write the proportion equation
   47,007.50 : 72,821.75 = 72,821.75 : x
2. Step 2: Convert to fraction form
   47,007.50/72,821.75 = 72,821.75/x
3. Step 3: Cross multiply
   47,007.50x = 72,821.75 × 72,821.75
4. Step 4: Simplify right side
   47,007.50x = 5,303,007,273.06
5. Step 5: Solve for x
   x = 5,303,007,273.06/47,007.50
6. Step 6: Final answer
   x = 112,811.94